Defend 99

Defend 99

Studio Ryebuu · 2026 · Strategy, Tower Defense, Roguelite, Tactical, Roguelike

PC
This game is free to play. Get it on Steam →

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About Defend 99

Survive Ninety Nine waves. Build a board of towers from different manufacturers with varied abilities, equip them with Mods and Buddies and plan ahead to deal with enemy-buffing weather forecasts. As a trainee for the AEGIS corporation - you'll need to balance your strategic and economic skills in order to defend your core against the digital attackers in this roguelite tower-defense game.\
  • Turrets damage types and effects vary depending on their Manufacturer and traits! Strengthen a couple of traits for stronger effects or go wide for a more varied board.
  • Collect bits to build towers, adapt to your randomized shop in search of those important upgrades and strengthen your towers with Mods and Buddies to create powerful combinations.
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  • Different weather types will buff enemies in different ways - enemies can move faster, short your turrets with EMP explosions or become hard to hit in Blackouts! Watch the forecasts and plan ahead.
  • Keep an eye on the invaders, they will throw a variety of unit types with different strengths, weaknesses and abilities to bypass your defenses.
  • Customize your deck as you progress, with upgrades you find along the way. Be wary of hazardous software.
-- Please note that the AEGIS corporation has a zero tolerance policy on failure. Anything but success will result in your termination and immediate replacement. Our clients deserve the best. --

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