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Glossary term Retention

IKEA Effect

We value things more when we've put our own effort into them. Partly assembling or customizing something makes people rate it higher and cling to it longer.

Where you see this in practice

The mechanics that lean on it

Retention08

Achievements / Milestones

Named, permanent markers of progress or behaviour that the user collects over time.

In the full library
Monetization16

Cosmetics

Purely visual items, skins, avatars, frames, that alter appearance without affecting gameplay or capability.

In the full library