UFO Invasion
UFO Invasion is a classic wave shooter defending Earth from an alien menace, and its difficulty tiers make an unusual trade. Harder settings slow your ship down but let you fire more often: Easy moves at 368 with a 0.364-second cooldown, Normal 320 and 0.28, Hard 272 and 0.196. So Hard gives you nearly twice the rate of fire and noticeably less mobility, turning it into a game of holding a good line rather than dodging your way out of trouble. The waves are identical across all three, which means the tier is choosing what kind of player you want to be rather than how much the aliens punish you. A high score is kept between runs. Free in the browser, no download and no signup.
UFO Invasion is a classic wave shooter defending Earth from an alien menace, and its difficulty tiers make an unusual trade. Harder settings slow your ship down but let you fire more often: Easy moves at 368 with a 0.364-second cooldown, Normal 320 and 0.28, Hard 272 and 0.196. So Hard gives you nearly twice the rate of fire and noticeably less mobility, turning it into a game of holding a good line rather than dodging your way out of trouble. The waves are identical across all three, which means the tier is choosing what kind of player you want to be rather than how much the aliens punish you. A high score is kept between runs. Free in the browser, no download and no signup.
đĒ Coin System
âĸ 1 coin per game session
âĸ New players get 80 free coins
âĸ Sign in to save progress and earn achievements
Controls
Desktop: Use keyboard arrows/WASD and mouse to play.
Mobile: Tap and swipe. Use fullscreen for best experience.
About UFO Invasion
UFO Invasion is a classic wave shooter defending Earth from an alien menace, and its difficulty tiers make an unusual trade. Harder settings slow your ship down but let you fire more often: Easy moves at 368 with a 0.364-second cooldown, Normal 320 and 0.28, Hard 272 and 0.196. So Hard gives you nearly twice the rate of fire and noticeably less mobility, turning it into a game of holding a good line rather than dodging your way out of trouble. The waves are identical across all three, which means the tier is choosing what kind of player you want to be rather than how much the aliens punish you. A high score is kept between runs. Free in the browser, no download and no signup.
How to Play UFO Invasion
1. Click the play button above to start the game.
2. Use the on-screen controls or your keyboard/mouse to interact.
3. Follow the in-game instructions for objectives and scoring.
4. Use the fullscreen button for the best gaming experience on any device.
Tips & Tricks
âĸ Play in fullscreen mode for better visibility and control.
âĸ On mobile, rotate your device to landscape for wider gameplay.
âĸ Practice the early levels to build muscle memory before advancing.
Frequently Asked Questions
How do you play UFO Invasion?âž
Arrows or touch to move, Space or tap to fire, P to pause. You hold off waves of alien craft for as long as you can.
What do the difficulty tiers change?âž
Your movement speed and your rate of fire, in opposite directions. Easy is fast-moving with a slow gun, Hard is slower-moving with a gun that fires almost twice as often.
Is Hard actually harder if you shoot faster?âž
It trades one advantage for another. You clear the screen quicker but have far less room to escape a bad position, so it rewards holding a line instead of dodging.
Do the alien waves change between tiers?âž
No. The waves are the same on all three settings -- what changes is your ship.
Does it save a high score?âž
Yes, your best score is kept and shown on screen alongside the current run.
Is UFO Invasion free?âž
Yes, free in the browser on desktop and mobile with no download and no signup.
