Avoid the monsters and rack up a high score. You'll have use your magic carefully… attacking removes your own shield.
Barrier Blast is an arcade style game for PICO-8 which I made in 48 hours for the GMTK Jam in July 2017. The theme of the jam was dual-purpose mechanics. In Barrier Blast your magic is used for both defense and offense, depending on the situation. Fireballs approach the player slowly and wait for the perfect chance to attack. Later levels up the challenge by forcing you to lower your defenses, requiring careful setup to make sure you aren't attacked while your barrier is down.
Play it right now in your browser at itch.io