Mini-Games:
Unlock the following mini-games by performing the corresponding tasks:
SnowKidz Snowboarding mini-game – Collect 10 Specter Emblems.
Specter Boxing mini-game – Collect 20 Specter Emblems to unlock the Specter Boxing mini-game; characters are 1-Ton and John.
Jake Attacks mini-game – Collect 30 Specter Emblems to unlock the Jake Attacks mini-game.
Ape Ping Pong mini-game – Collect 40 Specter Emblems to unlock the Ape Ping Pong mini-game.
Ape Ping Pong bonus characters:
To unlock Specter and Yellow Pipotron in the Ape Ping Pong mini-game, beat tournament mode and defeat them.
Specter Boxing completion bonuses:
Beat the Specter Boxing mini-game to unlock bonus characters and survival mode.
Specter Boxing Controls:
Press Circle to evade an attack.
Press X for an uppercut.
Press Square for a quick light jab.
Press Triangle for a slow heavy jab.
Press Right X for a dash uppercut.
Press Right Square for a clockwise spin jab.
Press Right Triangle for a counter clockwise spin jab.
Bonus level:
To unlock a bonus level, capture all apes in all levels. Defeat Specter to capture him and view the ending.
Catching apes:
If an ape is in front of you, hit it with a stun club. Immediately after it falls down, use the net to catch it.
Easier water movement:
On any level where the water is going against you, instead of swimming through it keep jumping against it to get through it.
UFOs:
If monkeys see you and jump into their UFO, equip your slingshot and shoot it down. When it falls, the monkey will be temporarily stunned.