In this extension to Nullius, the rare metal nickel, as an easily refined electrical and corrosion-resistant material, underpins production as the android sets out to terraform the planet. With technological advances, nickel is displaced by aluminum and steel; yet it remains essential for niche applications due to its distinctive magnetism, thermal stability, and chemistry.

Tricky Old Nick is recommended for players who like to play with many ores or who want to replay with a fresh challenge at the outset. It makes the early game more challenging. For players seeking a smaller content expansion, consider Lambent Nil.

For a multiplayer game, Tricky Old Nick can be played in cooperative multiplayer mode. It is not compatible with multiplayer alignment mode. Multiplayer alignment can be disabled in Nullius's mod settings.