kb / kb 93%. Loading Actions. Sound. bt2. kb / kb %. Click to Play. rising bubbles. Creating World. Bubble Tanks ||. 0%. normal mode. Bubble Tanks 2, a free online Shooting game brought to you by Armor Games. Similar to BT1, you must travel through giant bubbles, destroying. You must travel through giant bubbles, destroying enemy tanks and taking their bubbles to fuel your growth.