RetroTD: Offline Tower Defense

Build a maze. Upgrade your turrets. Make every placement count.

RetroTD combines classic tower defense with maze building and permanent research. Watch rockets streak across redesigned battlefields, build up your economy and adapt your defenses as each wave grows stronger.

BUILD YOUR OWN MAZE
On three Open Maps, your turret placements shape the enemy route. Create winding paths and chokepoints to keep enemies in range longer.

MASTER CLASSIC TOWER DEFENSE
Take on six Classic Maps with fixed routes. Study each layout to find the best positions for your turrets.

COMBINE YOUR DEFENSES
Build and upgrade Gun, Rocket, Freeze and Splash turrets. Use Gold Mines to strengthen your income, and combine damage and crowd control against bosses, runners, giants and flying enemies.

RESEARCH FOR YOUR NEXT RUN
Earn Diamonds and invest in permanent Research. Improve your turrets and economy, and carry those upgrades into future runs.

CHASE YOUR PERSONAL BEST
Take on Daily Challenges, progress through military ranks and compete on map leaderboards.

PLAY AT YOUR OWN PACE
Play offline, save your run and return later. Reconnect to use online features and sync your progress.