How a match works
- Enemies walk along a fixed path toward your base.
- You place units near the path using in-match money and upgrade them as money comes in.
- Survive all waves to clear the act. Lose too much base health and you fail.
Getting gems
Gems are used for summoning.
- Story acts give gems the first time you clear them, so push through the story early.
- Codes give a big boost at the start. See our codes page.
- Daily quests and challenges add a steady trickle.
Summoning smartly
- Wait for a banner with a unit you want instead of summoning on every banner.
- An early strong damage dealer carries you through the story. Spread upgrades too thin and nothing gets strong.
- Keep a mix: at least one unit that hits groups and one that handles bosses.
Placement tips
- Place damage dealers where the path bends or loops, so enemies stay in range longer.
- Upgrade your strongest unit first. A fully upgraded unit beats several weak ones.
- Spend money as it arrives. Unspent money doesn't help you survive.
Infinite mode
Infinite mode sends endless waves and rewards you for how far you get. It's a good way to farm once your team is strong enough for the story.