Replaces the keycards with carefully selected furry fanart.
There are:

• Krystal Keycard (replaces GenSec keycard)
• Meow Skulls Keycard (replaces Murkywater keycard in Beneath the Mountain)
• Salazzle Keycard (replaces bank manager keycard in First World Bank)

Extract any and all of these to assets > mod_overrides.