Complete 100% of Story mode

Open 100 Mother Boxes

Kill the Viper Ruler

Spend an Attribute Point

Build a SPARK unit

Give water to a wanderer

Sabotage an alien facility

Use a religious altar

Kill a Sectopod on the same turn you encounter it (in Single Player)

Recover the Blacksite Data

Kill a Sectoid who is currently mind controlling a squadmate

Batman must defeat any opponent with the final hit coming from Cape Parry or Cape Counter