Island Wars
Deep in the South Pacific, two islands are locked in deadly combat for supreme control of... well... their palm trees. Join in the battle! Hop in your biplane to bomb the enemy trees while using your cannon to protect your own, or engage in aerial dogfights to shoot down your opponent's airplane. ... Easy to play, clean and funny gameplay, immensely fun. ... 1 or 2 players.
http://www.interactionstudios.com/files/IslandWarsInstaller120.exe - 2Mb - Download - Screenshot

Island Wars 2
Ah, the South Pacific seas... warm sun, clear skies, crystal waters... could you ask for anything more? Why, yes, add two islands obsessed with destroying each other's palm trees and you've got one explosive recipe for fun! Hop in your biplane and bomb the enemy island while using your cannon to... Features 6 gametypes, 7 mutators, 10 gameplay parameters, 5 computer skill levels, bonuses, worldwide high scores. ... 1 or 2 players. ... Engage in aerial dogfights while collecting bonuses to defeat 10 opposing islands and 50 invasion waves.
http://www.interactionstudios.com/...s/IslandWars2demoInstaller250.exe - 2Mb - Download - Screenshot

Island Wars 2 Christmas Edition
Ah, the South Pacific seas... warm sun, clear skies, crystal waters... too bad you won't get to see any of that because it's Christmas time! Nevertheless, those two little islands are still obsessed with destroying each other's Christmas trees and you seem to have been caught in the middle of it... Features 6 gametypes, 7 mutators, 10 gameplay parameters, 5 computer skill levels, bonuses, worldwide high scores. ... 1 or 2 players. ... Engage in aerial dogfights while collecting bonuses to defeat 10 opposing islands and 50 invasion waves.
http://www.interactionstudios.com/...landWars2XmasdemoInstaller250.exe - 2Mb - Download - Screenshot