Hide and Seek
Kill the level 4 boss
Riddle of the Sphinx
Kill the level 8 boss
Divine Retribution
Kill the level 12 boss
Lest Ye be Judged
Kill the level 16 boss
Mirror, Mirror
Kill the level 3 boss of the expansion pack
This Level is Bugged!
Spend three minutes trying to get past the gate in the first Egypt level
I Don't Get It...
Spend three minutes trying to get past the gate in the first level of the expansion pack
Every Nook and Cranny
Find all the secret rooms and hidden items
Noob Fail
Die for the first time
Mega Destroyer
Use the OP Mega Destroyer for the first time
Just a Flesh Wound
Get killed by the fan on level 4
Grave New World
Get killed by an environmental hazard like poisonous water, lava, or a trap
Self-Harm
Get killed by your own weapon
Out on a Limb
Shoot off a total of 50 enemy limbs
Pink Mist
Gib enemies into a total of 500 chunks
Time Traveler's Starter Kit
Find all the unique powerups, including Invisibility, the Reflector, and the Chojin Mask
Put out That Light!
Destroy 20 light sources (light bulbs, etc.)
Four's a Crowd
Blow up at least four enemies with one shot
Right Back Atcha
Kill an enemy with the Reflector
Time Traveler
Beat the game
Seasoned Time Traveler
Beat the game on hard
Invincible Time Traveler
Beat the game without dying
Speedy Time Traveler
Beat the game in 90 minutes or less
Skilled Time Traveler
Beat the game using only your first weapon
Insane Time Traveler
Beat the game on hard without dying using only your first weapon
Thanks a Million
Watch the credits at the end of the game