Idle Defense
Auto Fortress Ascension
An original endless idle defense challenge with responsive controls, escalating hazards, and hard progressive levels.
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Defend multiple lanes with limited energy as adaptive enemy waves pressure weak positions.
Auto Fortress Ascension is an original GamesJi HTML5 game. It runs locally in the browser, supports touch and keyboard input, requires no API, and increases challenge continuously.
How to play
Spend energy carefully, combine damage and slow units, and reinforce lanes before they collapse.
Hard endless mode: speed, enemy pressure or decision difficulty rises as you progress. Pause with P and restart with R or Play Again after a run.
Controls: Select unit: 1/2/3. Place: tap/click away from the path. Pause: P.