Clear Stage 1 - Subway (Dif.>=Normal)
Clear Stage 2 - Inside Train (Dif.>=Normal)
Clear Stage 3 - City (Dif.>=Normal)
Clear Stage 4 - Building Site (Dif.>=Normal)
Clear Stage 5 - Top of building (Dif.>=Normal)
Clear Stage 6 - Alley (Dif.>=Normal)
Clear Stage 7 - Harbor (Dif.>=Normal)
Clear Bonus Round (Dif.>=Normal)
Achieve 20 Score (Dif.>=Normal)
Make the Bosses appear on the Ranking Screen to dance
Finish 20 Enemies with a Switchblade (Dif.>=Normal)
Achieve 50 Score (Dif.>=Normal)
Achieve 100 Score (Dif.>=Normal)
Finish 20 Enemies with a Drainpipe (Dif.>=Normal)
Finish 20 Enemies with a Pistol (Dif.>=Normal)
Start a Stage while holding a weapon
In Final Battle, Get the key and get killed by Fat Toad, getting the Bad Ending (Dif.>=Normal)
Defeat Fat Toad and free the girls from the cage, getting the Good Ending (Dif.>=Normal)
Beat the Game a second time with 0 credits. When go back to Title, Press Start and watch "CREDIT 0" become "CREDIT"
Beat the Game (Good Ending) in the highest difficulty [VERY DIFFICULT]
Beat the Game (Good Ending) without grabbing Items (Dif.>=Normal)
Finish 10 enemies with Flying Knee (P1 & P2 count separately) (Dif.>=Normal)
Finish 10 enemies with Flying Kick (P1 & P2 count separately) (Dif.>=Normal)
Kick 100 times Enemies knocked to the ground (P1 & P2 count separately) (Dif.>=Normal)
Hit 10 times Enemies in their "Low Places" (P1 & P2 count separately) (Dif.>=Normal)
Get crushed by the Announcement Board at the beginning of the Stage 1
Get grabbed by the Gay Sailor on Stage 2
Show your charm to the girl on Stage 3
Get crushed by the steamroller on Stage 4
Touch Neon and get electrocuted on Stage 5
Get licked by the poster in Stage 6
Get grabbed by the Horny Dog in Stage 7
Get crushed by the Falling Box at the beginning of the Stage 8
Clear Stage 1 without getting crushed by the Announcement Board (Dif.>=Normal)
Clear Stage 2 without being grabbed by Gay Sailor (Dif.>=Normal)
Clear Stage 3 dodging the door where the girl is (Dif.>=Normal)
Clear Stage 4 without getting crushed by the steamrollers (Dif.>=Normal)
Clear Stage 5 without getting electrocuted on the billboard (Dif.>=Normal)
Clear Stage 6 without being licked by the Poster (Dif.>=Normal)
Clear Stage 7 without being grabbed by Gay Dog (Dif.>=Normal)
Clear Stage 8 (Good Ending) without getting crushed by the falling boxes (Dif.>=Normal)
Defeat the Boss in Stage 1 in 60 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 2 in 50 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 3 in 70 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 4 in 75 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 5 in 80 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 6 in 100 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 7 in 70 seconds or less (2P Not Allowed) (Dif.>=Normal)
Defeat the Boss in Stage 8 in 100 seconds or less (2P Not Allowed) (Dif.>=Normal)
Beat the Game (Good Ending) losing no more than 3 Credits (Dif.>= Normal)
Clear Bonus Round using no more than 3 Credits (Dif.>=Normal)
After getting the Infinite Credits Glitch, Clear the 1º Stage (Dif.>=Normal) [Just +1 Stage, ok? XD ]
In the Final Battle, Obtain the Key -AND- Defeat the Fat Toad! (2P Not Allowed) (Dif.>=Normal)