Here is the full list of all 21 Jeeboman achievements.
Beat the game on easy difficulty
Beat the game on normal difficulty
Beat the game on hard difficulty
Melee 100 enemies
Melee 500 enemies
Kill 500 flying bots
Kill 1000 flying bots
Kill 200 turret bots
Kill 400 turret bots
Kill 100 mortar bots
Kill 200 mortar bots
Kill 50 rocket bots
Kill 100 rocket bots
Kill 25 laser bots
Kill 50 laser bots
Kill 20 ant bots
Kill 40 ant bots
Kill 5 brain bots
Kill 10 brain bots
Warp 1000 times
Collect 1000 pickups