Pick up a fresh batch of shurikens

Pick up a rocket launcher (?)

Pick up the boomerang

Pick up the assault rifle

Complete Adventure Mode

Complete Advanced mode

Complete Time Atak mode

Collect All bonuses in level 1 without getting hit

Complete level 2 with all bonuses collected without pressing b

Complete level 3 collecting 10 bonuses or less

Defeat Queen Spider in level 4 without getting hit

Complete level 5 without turning back (pressing the left button)

Collect all bonuses in level 6 without getting hit

Collect the hidden 1-up on level 7 and keep going without getting hit from there on

Complete level 8 without using double jump or getting hit

Defeat the T-rex in 40 seconds or less

Collect All bonuses in level 10 without getting hit

Complete level 11 without collecting any Bonuses

Complete level 12 avoiding all checkpoints

Complete level 13 without using the atak button or dying

Complete level 14 with all Bonuses in less than 115 seconds

Complete level 15 with 1 second left in the timer

Complete level 16 without using checkpoints and collecting 25 bonuses or less

Defeat Doctor X without getting hit

Collect 50 Bonuses (Must be done in one sitting)

Collect 100 Bonuses (Must be done in one sitting)

Collect 200 Bonuses (Must be done in one sitting)

Collect 400 Bonuses (Must be done in one sitting)

Collect 800 Bonuses (Must be done in one sitting)

Collect 900 Bonuses (Must be done in one sitting)

Collect 1000 Bonuses (Must be done in one sitting)

Collect 1500 Bonuses (Must be done in one sitting)

Collect 2000 Bonuses (Must be done in one sitting)