MobyGoal achieved! Thanks to all contributors who helped us reach 250 documented ZX81 Games.

UFO: Alien Invasion

UFO: Alien Invasion Screenshots

Windows version

UFO: Alien Invasion Windows Title screen

Title screen

UFO: Alien Invasion Windows Main menu (Swedish version)

Main menu (Swedish version)

UFO: Alien Invasion Windows The world map and an alien attack on Europe

The world map and an alien attack on Europe

UFO: Alien Invasion Windows Preparing to fight off the alien attack.

Preparing to fight off the alien attack.

UFO: Alien Invasion Windows My dropship is returning home after a successful mission.

My dropship is returning home after a successful mission.

UFO: Alien Invasion Windows Base view

Base view

UFO: Alien Invasion Windows Spotted a new UFO

Spotted a new UFO

UFO: Alien Invasion Windows Arming one interceptor

Arming one interceptor

UFO: Alien Invasion Windows Air battle

Air battle

UFO: Alien Invasion Windows Boogie down, new ground mission is available

Boogie down, new ground mission is available

UFO: Alien Invasion Windows Some stats about my progress, OK so far...

Some stats about my progress, OK so far...

UFO: Alien Invasion Windows An entry in the Ufopedia

An entry in the Ufopedia

UFO: Alien Invasion Windows Soldiers list

Soldiers list

UFO: Alien Invasion Windows Ships

Ships

UFO: Alien Invasion Windows Europe at night

Europe at night

UFO: Alien Invasion Windows Stats

Stats

UFO: Alien Invasion Windows Alien terror

Alien terror

UFO: Alien Invasion Windows Loading

Loading

UFO: Alien Invasion Windows Moving soldiers

Moving soldiers

UFO: Alien Invasion Windows Burn, alien, burn!

Burn, alien, burn!

UFO: Alien Invasion Windows Town fight

Town fight

UFO: Alien Invasion Windows Victory!

Victory!

UFO: Alien Invasion Windows Don't use a flamethrower in small room - "friendly fire" is unwanted.

Don't use a flamethrower in small room - "friendly fire" is unwanted.

UFO: Alien Invasion Windows Welcome and die!

Welcome and die!