Complete any level-specific Reward Challenge

Play Co-op mode

Collect all 10 red skulls in any single level

Kill 3 enemies with one bomb

Earn the top score objective in any level

Reflect an enemy's projectile back to him using Totec's shield

Jump from Totec's shield while he is jumping

Catch Totec with the grapple while he is jumping over a death fall

Continue playing to unlock this secret achievement.

Continue playing to unlock this secret achievement.

Collect all relics, artifacts and weapons

Activate all of the spikes at once in the Spider Tomb spike field