Kill 100 Static (Blue) enemies.
Crush three enemies under a falling statue.
Kill an enemy by emerging from a Secret Passage.
Complete all objectives in the fifth chapter.
Kill 100 Patrol (Yellow) enemies.
Complete all objectives in the fourth chapter.
Get chased by three guard dogs simultaneously.
Wear all three disguise types.
Kill 5 enemies at once.
Die at least 200 times.
Complete all objectives in the first chapter.
Use a hint, ignore the instructions but finish the level anyway.
Get pushed 100 steps.
Throw an object without alerting anyone.
Play for at least 5,000 turns.
Play for at least 10,000 turns.
Complete all objectives in the seventh chapter.
Kill 100 Turning (Teal) enemies.
Complete all objectives in the second chapter.
Complete all objectives in the sixth chapter.
Kill 100 Pair (Grey) enemies.
Complete all objectives in the first 3 chapters.
Play for at least 1,000 turns.
Play for at least 100 turns in a single level.
Kill 100 enemies using the Silverballers.
Kill 2 enemies at once.
Complete all objectives in the third chapter.