GUARD LEVEL 10
Don't let the spider touch a scientist on level 10
100 ✓ June 1st, 2017
2.1% · Rare
SURVIVOR LEVEL 9
Survive 30 seconds without shooting on level 9 in HARD
75 ✓ June 1st, 2017
2.5% · Rare
POWERUP KEEPER LEVEL 18
Don't use any powerup in level 18
75 ✓ June 2nd, 2017
2.2% · Rare
POWERUP MANIAC
Upgrade all powerups in arcade mode
50 ✓ June 2nd, 2017
3.2% · Rare
PERK FANATIC
Purchase all perks in arcade mode
50 ✓ June 2nd, 2017
3.1% · Rare
BULLET HELL
Kill 1000 enemies with the gatling gun in any single game mode
50 ✓ June 2nd, 2017
2.7% · Rare
BEAM MASTER
Kill 1000 enemies with the laser beam in any single game mode
50 ✓ June 2nd, 2017
2.9% · Rare
EXPLOSION EXPERT
Kill 1000 enemies with the rocket launcher in any single game mode
50 ✓ June 2nd, 2017
2.5% · Rare
ELECTRIC WONDER
Kill 1000 enemies with the chain lightning gun in any single game mode
50 ✓ June 2nd, 2017
2.3% · Rare
POWERUP KEEPER LEVEL 12
Don't use any powerup in level 12
50 ✓ June 2nd, 2017
2.6% · Rare
FLOOR 02 COMBO
Beat the target Combo for all levels on floor 02!
50 ✓ June 1st, 2017
2.2% · Rare
FLOOR 04 COMBO
Beat the target Combo for all levels on floor 04!
50 ✓ June 2nd, 2017
1.6% · Rare
FLOOR 05 COMBO
Beat the target Combo for all levels on floor 05!
50 ✓ June 2nd, 2017
1.2% · Rare
FLOOR 04 ALL STARS
Collect 3 stars on every level of floor 4!
50 ✓ June 2nd, 2017
1.5% · Rare
FLOOR 05 ALL STARS
Collect 3 stars on every level of floor 5!
50 ✓ June 2nd, 2017
1.2% · Rare
WEAPON COLLECTOR
Upgrade all weapons in arcade mode
25 ✓ June 2nd, 2017
4.4% · Rare
MACHINE GUN LOVER
Kill 1000 enemies with machine gun in any single game mode
25 ✓ June 1st, 2017
21.6% · Common
BUG SQUASHER
Complete 5 rounds without dying
25 ✓ June 1st, 2017
33.8% · Common
POWERUP KEEPER LEVEL 6
Don't use any powerup in level 6
25 ✓ June 1st, 2017
4.7% · Rare
FLOOR 02 ALL STARS
Collect 3 stars on every level of floor 2!
25 ✓ June 1st, 2017
2.4% · Rare
KILLA DASH
Dash into a frozen face hugger enemy on the ground
25 ✓ June 1st, 2017
4.5% · Rare