.T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest

First-person sci-fi puzzle game with time control and body switching

Veslo Games · Released May 3, 2018

Reviews: Mostly Positive; 72% of 78
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 8 years ago; May 9, 2018
Minimum PC: GeForce GTX 260; 1 GB RAM · 3 GB disk; Full requirements

What is .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest?

A single-player, first-person sci-fi puzzle game spanning 119 levels on a nonlinear map, with humanity’s fate at stake. You work through puzzles involving keys, doors, moving platforms, and jumps, using abilities such as manipulating time, changing level layouts, and transferring consciousness to another body.

For you if...

+you enjoy figuring out unfamiliar rules through experimentation

Not for you if...

−you want consistently easy puzzles and quick progress

What players say

72% of 78 reviews are positive

Players praise the variety of mechanics and the challenge of solving harder puzzles. Common complaints concern demanding mouse precision, trial-and-error throws, and cumbersome lift puzzles.

Screenshots and trailer

.T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest screenshot 1

.T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest system requirements

Minimum: GeForce GTX 260, 1 GB RAM, 3 GB of disk space.

As published by the developer.

Can my PC run .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest?

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Minimum

OS: Windows XP SP2+
Processor: 1.7 GHz Dual Core
Graphics: NVIDIA GeForce GTX 260, ATI Radeon 4870 HD, Intel HD 3000, or equivalent integrated card
Memory: 1 GB RAM
Storage: 3 GB available space
DirectX: Version 9.0c

Does .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Achievements: 42
Steam features: Family Sharing
Languages: Full audio: English, Russian, French, German, Portuguese - Brazil, Simplified Chinese.

Does .T.E.S.T: Expected Behaviour — Sci-Fi 3D Puzzle Quest use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam