Reflect an enemy's projectile back to him using Totec's shield
Activate all of the spikes at once in the Spider Tomb spike field
Kill 3 enemies with one bomb
Collect all 10 red skulls in any single level
Earn the top score objective in any level
Complete any level-specific Reward Challenge
Catch Totec with the grapple while he is jumping over a death fall
Jump from Totec's shield while he is jumping
Play Co-op mode
Continue playing to unlock this secret achievement.
Collect all relics, artifacts and weapons