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The Tesliss Equation Walkthrough
Reviewed by DeusExLibris
The Tesliss Equation is an AIF game by GoblinBoy, which was released on 19 December 2012. You can download it from http://aifcommunity.org/games/tads/tads_2/.
The design of The Tesliss Equation gives the player little chance to wander off track, as the scenes occur in a predetermined order that cannot be changed. There are also very few traditional text adventure puzzles. Instead the player mainly affects the story through menu-based choices and by deciding who to have sex with.
Consequently, this will not be a step-by-step walkthrough. Instead I will try to describe each scene with the general aim of keeping all three hidden endings available until the end of the game. Other paths will be noted where possible. Reading the comic book in the nurse's office after each scene will help you to determine the effects of your actions in the 'real' world.
Big thank you to Phillip Miley on aifarchive, who was the first to report how to see through the illusion.
The Special Hidden Endings
As with most of GoblinBoy's recent games, there is a code word that allows the player to view all of the pictures in the game. To learn this word, the player needs to find all three of the 'hidden' endings.
Hidden Ending 1
This has three main requirements:
1) The PC must resist the temptations that Lyra puts in his path. That means that he must not have sex with Chrissy or Miss Joliffe.
2) He must see through the illusion (see 'Piercing the illusion' below).
3) He must have sex with Lyra in Groldar's fortress, and then not kill her.
However, there is an exception to 1. If the PC has seen through the illusion but gives the complete formula to Miss Smith rather than confronting Jessica, then the last of the photos Miss Smith gives the PC (which require him to have answered the initial questions in science class) will have a little girl looking through the window (just as with Jessica). This means that you can get this hidden ending even if you have had sex with all the female characters (at the price of Groldar obliterating all human life).
Hidden Ending 2
To get this ending the PC must be on good enough terms with both Kitty and Rocket, that they are willing to share him at the end of the game. He must also have had gotten Lyra pregnant, and then convinced her to join him, Kitty and Rocket.
This is possibly the easiest hidden ending to get because there are a lot of different ways to achieve the requirements. For example, if you reveal the formula, Groldar will use it to obliterate all human life. While this might seem like a bad thing, it does make Kitty and Rocket more willing to share you since the future of the human race is in the balance. You can have had sex with every female character in the game, including drugging Emily, and they will still be willing. The only exception is if you lied to Emily about having sex with Rowena.
Hidden Ending 3
To get this ending the PC must be on good enough terms with both Kitty and Rocket that they are willing to share him, without having revealed the formula.
This means that you must declare your feelings to the two girls whenever you're given the opportunity (Rowena in the changing room, Emily in the library, Rocket in Groldar's fortress). However, you must also avoid making them jealous by having sex with either of them.
Make a note of the word you get with each ending, and the order in which they are supposed to be placed. Combine them into a single word and you'll have a command that allows you to view all of the game's pictures.
Piercing the illusion
The illusion created by Lyra has a number of inconsistencies. If you notice enough of them, you will be able to see the baseball bat on your final visit to the nurse's office. You can use the bat to attack Jessica, and get information out of her.
All of Lyra's avatars have green eyes, so examine the eyes of every female character (including 'Rowena' when she comes into the nurse's office; ask her about them as well). You will eventually get a comment about how there seem to be an unusual number of green-eyed women at school.
Examine the photos on Jessica and Miss Joliffe's desks (you will need to examine the desk first). You will notice that they both seem to have been taken at the same time and place.
Additionally, the false memories that Lyra has implanted in Hiro about himself aren't very detailed. You will notice this if you think about 'me' 'family', 'father', 'mother', 'sister'. Likewise, if you ask Emily or Rowena about 'family' you will get a suspicious response.
At various points during the game, the NPCs will try to trick, persuade or force the PC into revealing the solution to the Tesliss equation. At the beginning of the game, the PC knows none of the five parts of the solution, but certain actions will increase his knowledge.
The actions I have confirmed as increasing the PC's knowledge of the formula are as follows:
1) Having sex with Chrissy
2) Having sex with Miss Joliffe
3) Having sex with Rowena
4) Bringing Jessica to orgasm after telling her about Rowena
5) Receiving a blowjob from Jessica
6) Obeying Miss Smith's orders in the second science class
Class 1 (science)
There's not much you can do during science class, although you should examine Miss Smith's eyes (and any other part of her that takes your interest), since you may not get another opportunity. You can also think about any topic that takes your fancy (eg. Emily x7, Rowena x6, Miss Smith, Miss Joliffe, Robert, Lilian, me, family, mother, father, sister, school, formula)
Correctly answering the two questions about the Lorentz equation is required to get the extra pictures from Miss Smith (including the one that shows the little girl).
When you exit the class there will be a cut scene. After it finishes you will be able to talk to Emily and Rowena. You should talk to them and ask them about things (eg. family) now, as there will be limited opportunities later. You could also examine their eyes so that you know what colour they're supposed to be.
Nurse's office 1
Examine Jessica's eyes (and any other part of her that takes your interest), as well as the photo on her desk (you will need to examine the desk first). You should also read the comic book if you want to know what really happened in the last cut scene.
Lie on the bed and follow instructions until you're given the choice of whether or not to take the performance enhancing injection. Doing so will make it much easier to defeat Robert in the boxing match, but there don't seem to be any plot effects either way (the comic will be the same no matter how you beat him).
Class 2 (gym)
If you took the injection it will be straightforward to defeat Robert, as the descriptions will strongly hint at what he's going to do next. Alternatively, you can beat him 'fairly' by liberal use of the undo command.
I'm not certain what plot effects defeating Robert has, but nearly every other character comments on it positively and it seems like the best thing to do given what's actually happening.
While the match is occurring, Lilian will be posing in the background. Examine her eyes if you can avoid being hit too much. You can also try to examine other parts of her body. The pictures will vary according to Lilian's pose at the time.
Nurse's office 2
If you wait one turn, 'Rowena' will come into the nurse's office. Examine her eyes and then ask her about them. You could also ask her about her family to make it even more obvious that she's not who she appears to be.
Once she leaves, read the comic book (to see what really happened during the boxing match) and wait until Jessica returns. Follow her instructions.
Class 3 (psychology)
Examine Miss Joliffe's eyes (and any other part of her that takes your interest). Examine Chrissy's eyes when you get the opportunity (before she closes them).
Merely volunteering does not affect the hidden endings. Miss Joliffe will end the class if you try to remove Chrissy's panties or bra, but you can unzip and enjoy a brief blowjob. There is also enough time to rub her pussy to orgasm if that's all you do.
After the class finishes, examine the photo on Miss Joliffe's desk (you will have to examine the desk first). You should get a comment about there being something odd about it.
You can also enjoy a full scene with Chrissy and then a non-interactive scene with Miss Joliffe (if you volunteered), or just Miss Joliffe's scene (if you didn't volunteer). However, doing so will block off the first hidden ending, so save first if you want to explore those scenes. After her scene, Miss Joliffe will ask who you really wish you were fucking, but that seems to be mainly to encourage you towards Rowena.
Class 4 (library)
You will have another opportunity to talk to Emily here, although if you've done anything with the other female characters it's probably better not to mention it. I usually just compliment her until the menu options come up.
It's important that you at least hint at your feelings for Emily at this point (ie. choose option b or c). This is required for both the scene with Emily at her house, and for the hidden endings involving Kitty.
Nurse's office 3
There's not much for you to do here except read the comic book (to see what actually happened during your conversation with Emily) and follow Jessica's instructions. Once she strips down you have two turns to examine individual bodyparts.
Class 5 (pool)
Having sex with Rowena will block off several of the hidden endings, so you should save here if you want to explore that path.
Either ask Rowena about her eyes or examine them. You can also examine her breasts, which she seems to like.
When the menu conversation starts I normally choose the following options (variations are possible):
a) "Well, what did you want to talk to me about?"
a) "Well, it's still nice to see you."
b) "I'm just... trying to say that I really like you, Rowena."
a) Wait for her answer
c) Just kiss her
Then wait and watch her changing. Choose a) Go into the changing room with her.
From this point there are a number of outcomes:
If you pick 'b) Apologise and leave', Lilian will appear in the playing fields later (h/t bof.hell) and the hidden endings will be unaffected.
If you pick 'a) Try to make out with her' and then 'b) Be the voice of reason and stop this here', Lilian will not appear, but the hidden endings will not be affected.
If you pick 'a) Give Rowena what she wants and fuck her', the hidden endings involving Rocket and Kitty will be blocked off (unless you reveal the formula, in which case you can still get the second hidden ending).
Nurse's office 4
If you tell Jessica about what you did in the changing room it will trigger a partial scene with her. How far Jessica is willing to go will depend on how far you went with Rowena (if you just looked, Jessica will let you kiss her and touch her breasts; if you deflowered Rowena, Jessica will let you rub her pussy until she orgasms). Otherwise, just read the comic book (to see what actually happened with Rowena).
As you leave, Jessica will offer you an aphrodisiac to use on Emily. You can accept it or not at this point, but you'll eventually end up with the aphrodisiac no matter what you do.
Class 6 (break)
If you avoided doing anything with Rowena at the pool (see above) Lilian will approach you as soon as you enter the playing fields. You can take Lilian up on her offer or walk away (you could also examine her eyes if you haven't already). Having sex with her will not block off the first hidden ending. It is also the only time that you will actually be having sex with Lyra in the real world (her other avatars being mental illusions), so this is one of two opportunities to get her pregnant.
If you reject Lilian (or she doesn't appear to begin with) there will be a cut scene where Robert and his cronies threaten Rowena to get you to reveal the formula. The scene plays out the same way whether you do or not.
Nurse's office 5
Read the comic book (to find out what really happened on the playing fields) and then lie on the bed. When you stand up, Jessica will treat you to a little oral action. Letting her finish doesn't negatively affect any of the endings. You can also interact with Jessica to a limited extent (clothed kissing and touching).
If you've picked up enough clues to see through the illusion, there will be a baseball bat here. The 'best' option is to attack Jessica with it (see below). However, that jumps you to outside Groldar's fortress meaning that you miss science class and Emily's house, so you should save here so that you can explore both paths.
b) Keep asking her questions
b) Ask what you will get in return
a) Hit her with the bat (the other option triggers a non-interactive scene that ends the game)
Attacking Jessica plays out slightly differently depending on whether or not you've had sex with Miss Joliffe or Chrissy. If you haven't, you will see a little girl looking in the window in the last picture Jessica shows you. This means that you've fully pierced the illusion and perceived the good that is still in Lyra, which is necessary for the first hidden ending.
Class 7 (science)
The safest thing (for the rest of the world anyway) is for you to leave as soon as class is over. However, if you want to play around a bit, you have a choice between answering immediately or letting Miss Smith try to persuade you.
If you do answer immediately and you know all five parts of the formula, Miss Smith will give you some pictures of herself and then move on to the interactive scene. If you've seen through the illusion, you will be able to see a little girl in the final picture. You can ask Miss Smith about the photos, but unlike with Jessica this will not lead to anything.
However, if you want to play hard to get or you don't know any of the formula, then you can let Miss Smith try to persuade you. Each of licking her tits, receiving oral sex, performing oral sex, fucking her pussy, and fucking her ass will increase your knowledge of the formula. After each action she will ask if it has jogged your memory. You can claim ignorance twice, but if you do so a third time the scene will end. Once you've given Miss Smith the formula, you will move on to an interactive scene.
Even if you refused Jessica's aphrodisiac earlier, it will be available here. You can choose to drug Emily's drink with it and then have sex with her. If you do, Emily will eventually suggest that you have sex with an unconscious Rowena. Doing so leads to a bad ending. If you refuse and try to leave, you will jump to inside Groldar's fortress but both Kitty and Rocket will be unconscious.
Alternately, you can do things the natural way. If you declared your feelings in the library, you will need to compliment her before she's willing to kiss you. If you merely hinted at your feelings, you will need to flirt with her as well.
After the sex scene, Emily will start asking you about what's happened during the day. She will be upset if you admit to having sex with Lilian, Jessica, Miss Joliffe or Miss Smith, but there won't be any long-term repercussions. However, if you had sex with Rowena and lie about it to Emily now, Kitty will reject you after Groldar is defeated (even repopulating the world isn't enough to convince her). Even if you tell her the truth, Kitty will still be angry about it later.
If you completely avoid her questions, you will go to sleep only to be woken late at night with Emily gone. If you go downstairs, Jessica will make one last attempt to persuade you to give up the formula (unless you've already done so, in which case she will be here to 'reward' you). If you refuse you will get the bad ending (as if you had drugged Emily and raped Rowena). If you accept Jessica's offer, you will get to enjoy an interactive scene with her before the bad ending.
You can also trigger the jump to inside Groldar's fortress at any time by telling Emily about the unusual things that have happened that day.
Below is a map to help you find your way around. Note that there is an error in the description of the room east of the altar room which omits one of the exits. If you saw through the illusion, you will start on the rope bridge west of the entrance (not included on the map).
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