Here is the full list of all 31 Tomb of The Lost Sentry achievements.
Best Jill in hand-to-hand combat and open the way to The Dungeon
Best Nye in a game of lawn darts and open the way to The Foyer
Best Lee in a game of catch and open the way to The Boiler Room
Survive an encounter with something terrible and make a new ally.
Best Rae in a game of tag and learn an awful truth.
Best Jack in a second round of hand-to-hand combat and gain access to The Catacombs
Find where all the sentrymen went and make yet another ally.
Finish everything you set out to do and leave this terrible place behind you.
Confront Dee and earn your freedom.
Confront The Reverend and put an end to his plans.
Know your goal.
See the world from a different point of view.
No longer hesitate.
Know the way forward.
Endure harsh trials.
Face near-certain death.
You are ready.
Learn the truth and put an end to this madness.
Embrace the third position.
Yes, it does smell like cheese in here.
There are children in third world countries who don't even get cutscenes, and you have the AUDACITY to skip one I MADE for you!?
Ignore a perfectly good escape route and walk right out the front door.
That's gonna hurt in the morning.
Perfect for early birds such as yourself.
Complete the first ending in a Death Race
Complete the second ending in a Death Race.
Complete a secret level during a Death Race.
You're not bad at the game, you're just scoping out the level.
The universal sign of celebration.
1,000 deaths is similar to (but legally distinct from) 1,001.