UFOs drop invading aliens on landing pads and the waves of enemies make their way to the base to abduct the sheep.

Once all waves of enemies are destroyed or all sheep have been abducted, the game ends and you earn a certain number of stars and wool.

In Normal Mode, there is a set number of enemy waves to destroy and UFOs arrive in intervals.

Upon release, Appsgoer proclaims "you will be rewarded with an addictive, occasionally challenging strategy-demanding game.

"[3] Well-known app review site, Pocket Gamer, explains that "The game also balances its cheeky humour well with stages that will seriously challenge your forward-planning abilities.