Sort by:
Armory
10
Collect 4 different weapon power-ups.
Tunnel runner 1
10
Beat the first timed tunnel with 33 seconds or more left.
Infiltration
15
Destroy the alien tower at the end of the water level.
Untouchable
10
Get to the first tunnel without losing a life.
Team Work
10
Score 100,000 points in an Xbox Live Co-op game.
Tunnel runner 2
15
Beat the second timed tunnel with 55 seconds or more left.
Tough Guy
20
Get to the second tunnel without obtaining a single weapon upgrade.
Well Equipped
15
Collect 3 different weapons in the second tunnel.
Proficient
20
Complete the second tunnel with a score of 100,000 or more in Arcade mode.
Bulletproof
25
Complete the game in Arcade mode using only 1 credit.
Full Assault
30
Complete the game in under 12 minutes.
Partnership
20
Complete the game in Xbox Live Co-op mode.
Sort by:
200
of
200
170
of
200
125
of
200
110
of
200
105
of
200
105
of
200
100
of
200
95
of
200
90
of
200
90
of
200
85
of
200
85
of
200
75
of
200
75
of
200
75
of
200
60
of
200
60
of
200
55
of
200
45
of
200
45
of
200
45
of
200
45
of
200
45
of
200
45
of
200
45
of
200
45
of
200
45
of
200
45
of
200
35
of
200
35
of
200
35
of
200
30
of
200
25
of
200
20
of
200
20
of
200
20
of
200
20
of
200
10
of
200
10
of
200