You can get more Tokens by:
- Running and getting rewards in Special Missions, Daily Challenges, and the Story Room.
- Participating in various limited-time events, such as the Prize Wheel or a Festival.
- Completing Daily Tasks (Tip: You can double these rewards by watching a video ad).
- Watching a video ad in Gru's Lair once a day.

Tokens can also be purchased from the Bundles section of the Shop with real money.