Arcade
Prism Gate Reflex
A speed-focused endless arcade challenge with hard-mode progression and escalating pressure.
▶ Play fullscreenAbout this game
React to changing rules, colors, and signals before the shrinking decision timer expires.
Prism Gate Reflex is an original GamesJi HTML5 game with responsive touch and keyboard controls, no external API, no download requirement, and endless progressive hard-mode difficulty.
How to play
Read the active rule first, then choose the correct side. Consecutive answers build score and difficulty.
Endless hard mode: challenge speed and pressure increase continuously. Pause with P. After a run ends, restart with R or the Play Again button.
Controls: Choose LEFT or RIGHT by tapping the screen side or using arrow keys. Pause: P.
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