Radiation Ascent
Rating: 8.4 (2,760 votes)
Updated: Jan 4, 2026
Release: Jan 4, 2026
Introduction:
Radiation Ascent is a survival pressure-climb game where you play as the last lighthouse guardian tr...
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Management
SurvivalHow to Play Radiation Ascent
Move around the map and collect red gems to fuel the lighthouse’s protective field. When the rising radiation gets too close, activate nearby valves to temporarily slow it down. Avoid touching the rising zone—every contact deals damage. Lighthouse energy slowly drains over time; without gems, the barrier collapses. Survive as long as possible as the radiation rises faster and faster. Controls Desktop WASD – Move Spacebar – Activate valve (when in range) Mobile Virtual Joystick – Move Valve Button – Activate valve when highlighted Key Features Constant upward pressure system—the floor is literally death Dual survival resources: lighthouse energy + player HP Valve slowdown mechanic for temporary radiation delay Difficulty auto-scales over time (radiation rise speed increases) Score based on total survival time HTML5 mobile + desktop support, no download required
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