Unlockable - Achievements
1000 Kills (100) - Kill 100 enemies in career.
10000m (100) - Reach 10090 meters in a game.
Marathon (100) - Cover a distance of 42195 meters in career.
5000m (75) - Reach 5000 meters in a game.
The Pacifist (50) - Don't kill anyon in a single game (but run at least 300m).
Comeback (50) - Come back from a desperate situation.
2000m (50) - Reach 2000 meters in a game.
50 Kills (50) - Kill 50 enemies in a single game.
1000m (25) - Reach 1000 meters in a game.
20 Kills (25) - Kill 20 enemies in a single game
Back Attack! (25) - Attack an enemy from behind.
Kill Them All (50) - Kil all types of enemies in a single game.