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The game you will love to make your friends play. In Lab 77 you play as Specimen S539-77, making your way through the challenges of Lab 77's test chambers under the supervision of the Director. Place versions of yourself to bridge gaps, collect lab notes, avoid dangers and complete your training.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
The game you will love to make your friends play.
In Lab 77 you play as Specimen S539-77, making your way through the challenges of Lab 77's modular test chambers under the supervision of the Director. Place versions of yourself to bridge gaps between platforms, collect lab notes, avoid dangers in the test chambers and complete your training.
Strategically maneuver your way through 77 test chambers to complete your training. Pick up collectible lab notes in each chamber to learn about the lore of Lab 77, the enigmatic Dr. Leitner and the daily issues faced by staff at Lab 77.
Gameplay:
Fast paced, careful and strategic gameplay is the core of Lab 77's gameplay. You will want to pay close attention to each level, especially on hard mode where the number of placements per level is heavily limited. It is suggested to complete the tutorial and the game on easy or medium mode before taking on hard mode.
Inputs:
Move using A/D on your keyboard or the left joystick/D-pad on your Xbox controller.
Jump using Space on your keyboard or the A button on your Xbox controller.
Place using Return on your keyboard or the B button on your Xbox controller.
Difficulty Settings:
Easy:
Unlimited placements
Reset to previous checkpoint on death
No loss of placements
Medium:
Unlimited number of placements
Reset to previous checkpoint on death
No loss of placements
Hard:
A limited number of placements
Reset to level start checkpoint on death
Placements lost
