Tom Clancy's Rainbow Six: Rogue Spear (PlayStation)

Tom Clancy's Rainbow Six: Rogue Spear
Developer: Saffire Publishers: Red Storm Entertainment (US), Ubi Soft (EU) Platform: PlayStation Released in US: March 28, 2001 Released in EU: May 25, 2001 This game has hidden bonus content.

To do: Debug stuff at 0x8001f96c.

Tom Clancy's Rainbow Six: Rogue Spear is the sequel to 1998's Tom Clancy's Rainbow Six, with largely the same gameplay, presentation, and engine, albeit with refreshments and improvements. Apparently keeping that theme going into development, both games' PlayStation ports were also poorly received, so there's that.

Cheats

Pressing the below button combinations while in-game will enable some hidden goodies.

Input	Effect
L1, L1, L2, L2, Square, Square, Circle, Circle	Enemies don't see you.
L1, R2, L1, R2, Circle, Circle, Square, Square	Infinite ammo.
Left, Right, Square, Circle, Circle, Square, Right, Left	Enemies always miss.
L2, R2, R2, L2, Up, Up, Triangle, Triangle	Bullets never hit anyone.
L2, L1, Up, Left, Down, Right, L1, L2	No recoil.
R2, L1, R2, L1, Triangle, Square, Circle, Triangle	Level never ends.
R2, R2, Left, Right, Left, Right, L2, L2	Instantly completes the level.
Left, Square, Left, Square, Right, Circle, Right, Circle	Anyone who dies turns into glass breaking.
Up, Triangle, Up, Up, Triangle, Triangle, L2, R2	Big Head mode.
Triangle, Square, Triangle, Up, Right, Up, Triangle, Circle	Turns bullet marks into smiley emojis.
Right, Left, Up, Up, Right, Left, Square, Circle	Turns bullet marks into flower emojis.
Down, Up, L1, L2, L2, L1, Up, Down	Turns bullet marks into blood marks.
Square, Square, Square, Square, Square, Square, Triangle, Circle	Turns bullet marks into letters of the alphabet.

(Source: Punk7890)