Lock & Key

Lock types

Information lock

E.g. fog of war

knowledge lock

Information lock that integrate better with world

E.g. Outer wilds, Leap Year,

Ability lock

Entity lock

Difficulty lock

One-way lock

Purpose

• Reduce experience permutations and make the level more controllable
• Control flow
• Encourage exploration

Design Tips

• Make the lock visible to players
• Make the lock-key relationship clear
• Keep backtrack routes simple