★ GREEN KEYS ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ The one important thing to note about all Green Keys is that they require you to find a regular key toward the end of the stage. Once collecting the regular key a locked gate earlier in the stage should then unlock.
The stages containing Green Keys are: Area 1-1-8 - Toll Booth Area 2-1-7 - Gondola Ride Area 3-2-9 - This Portal Coil Area 4-2-7 - Gauntlet VII
★ WARP PIECES ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Future versions beyond 1.0.0 highlight any missing/collected warp pieces in the menu but here are the individual stages containing them.
Area 1-1-4 Area 1-1-7 Area 1-1-8
Area 1-2-2 Area 1-2-5 Area 1-2-7
Area 2-1-2 Area 2-1-3 Area 2-1-8
Area 2-2-4 Area 2-2-6 Area 2-2-9
Area 3-1-1 Area 3-1-7 Area 3-1-9
Area 3-2-3 Area 3-2-7 Area 3-2-9
Area 4-1-4 Area 4-1-5 Area 4-1-7
Area 4-2-2 Area 4-2-4 Area 4-2-6
★ HEADS ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ A new head can be found by following unintended paths during boss fights or by reaching the end of a Warp Zone in each area.
SKULL - Collect 10 Stars BAWK - Collect 20 Stars BREAD - Collect 30 Stars COFFEE - Collect 40 Stars KNIGHT - Collect 55 Stars FISH - Collect 70 Stars DOG - Collect 85 Stars
SHADES - End of Warp Zone 1-1 DAVE - End of Warp Zone 1-2 HARDHAT - Visible during the Mish Masher Marshall Escape
FATBARD - End of Warp Zone 2-1 BEAR - End of Warp Zone 2-2 OCTOBOT - After beating Boctopus, blitz down into the water to discover a secret area
MOONMAN - End of Warp Zone 3-1 NINJA - End of Warp Zone 3-2 CHOMP - After beating T.E.S.S., take the path at top left of the screen to discover a secret area
CROW - End of Warp Zone 4-1 UNCLE - End of Warp Zone 4-2 DOOMBOT - After beating CHIP, take the top path first.
DEEJAY - Beat Story Mode SLEUTH - Collected at the end of Gauntlet X in Story Mode ROCKET - Collected 1000+ Coins in Story Mode LEGEND - Collected all 101 Stars in Story Mode