Earth has already fallen.
Alien forces crash-landed across the planet after a catastrophic asteroid event, overrunning every nation in the chaos that followed. Cities burned, armies collapsed, and humanity was pushed to extinction’s edge.
Your base is all that remains.
Planetfall: Endless Wave is an idle incremental base-defence game inspired by classic RTS visuals and the escalating chaos of games like Risk of Rain 2. Each wave grows stronger, faster, and deadlier — and survival depends entirely on how you evolve your base.
Upgrade your defences, deploy troops, and watch your systems fight back as the battlefield becomes a relentless war of attrition.
DEFEND. UPGRADE. SURVIVE.
Face endless waves of enemies that scale in strength, numbers, and aggression
Upgrade your base to increase:
Turret damage and critical damage
Base and wall health
Turret radius and coverage
Spawn and command troops to support your automated defences
Manage resources earned over time to optimise long-term survival
Watch the battle unfold even while idle — progression never stops
OLD-SCHOOL LOOK, MODERN IDLE DESIGN
Featuring a deliberately retro RTS aesthetic, Longest Battle blends hands-off incremental progression with strategic decision-making. Your choices matter — build wide, build strong, or specialise your defences to survive just one more wave.
There is no final victory.
Only how long you last.
KEY FEATURES (Steam bullet section)
Idle incremental gameplay with real-time battles
Endless wave-based enemy scaling
Base, wall, turret, and troop upgrades
Classic RTS-style visuals and camera
Resource management and long-term progression
Post-apocalyptic alien invasion setting
