While holding R2 and Circle, press Up, Down, Down, Right, Left, Left
All Tilesets in Mission Editor (Except Office and European Castle)
At the mission editor screen highlight Edit Mission, hold Circle and press Up, Up, Down, Down, Left, Right
Copy custom mission to editor
At the mission editor screen highlight Edit New Mission, hold Square and press Up, Up, Down, Down, Left, Right
Copy custom mission to editor (PAL version only)
At the inventory screen press Square, Square, Square, Circle, Square, Circle, Circle, Left, Up, Down, Right, R2, R2
Enable all items in inventory
At the inventory screen press R2, L2, R2, L2, hold Select and press Right, Left, Circle, Square, Down, Up, Up
Enable all items in inventory (PAL version only)
At the mission select screen hold Select + Square + Circle and rpess Right, Right, Right, Up, Left, Down, R2
Enable all missions
At the mission select screen highlight a blank mission, hold Square and press Right, Left, Down, release Square, hold Circle and press Left, Right, Up, keep holding Circle, hold Square and press Up, Down
Enable all missions (PAL version only)
At the character select screen highlight other character, hold Circle + Square and press Right, Up, Left, keep holding Circle + Square, hold Down and press L1, L2, release Down and press Select
Enable Tasumaru (PAL version only)
At the mission editor screen highlight Create New Mission, hold R2 and press Left, Square, Left, Square, Right, Right, Circle, X
Enable Tenchu, Inc. (PAL version only)
Press Select to highlight the map during play, hold Select + R1 and press Circle, Circle, Circle, Circle, Circle
Full map in game (PAL version only)
At the mission editor screen go to edit mission, highlight; Create New Mission. Hold L2, then press Circle, Square, Left, Right, Circle, Square
Get Office tileset and Tenchu INC in Mission Editor
At the item select screen hold R1 + Square and press Right, Down, Left, Up
Increase Item Count
At the inventory screen hold R1 + Circle and press Right, Down, Left, L1
Increase Items (PAL version only)
Pause the game and press R1, L1, R1, L2, hold Triangle and press Down, Down, Down, Up
Instant kills in story mode (PAL version only)
Pause the game, hold Square and press Left, Right, Up, Down
Replenish health
At the mission select screen hold Circle + Square and press R1, R2, L2, L1, Up, Down, Left, Right, Select
Unlock Tatsumaru
Press and Hold Select during gameplay and press Circle 5 Times
View Entire Map (NTSC)