GAME
Half-Life 2: Episode One
The Citadel collapses
Valve · 2006-06-01 · ■■■□□ 3/5 · 7.5/10
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In three lines
Half-Life 2: Episode One is a physics / narrative-puzzle puzzle game released by Valve in 2006.
Puzzlebyrinth scores it 7.5/10, with a difficulty of 3/5. The Citadel collapses
Its core mechanics are Physics Simulation.

Our Review
A five-hour escape with Alyx, blending gravity-gun physics puzzles and FPS combat.
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