Zero Boundary Line
This indie sci-fi TD has easy controls. Play as a futuristic commander defending humanity from mutants across diverse maps. Beat levels to unlock units: defenders, melee fighters, crowd controllers. Buy unique shop units, mix ability units for powerful custom defense lines.
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Estimated lifetime revenueLow confidence
—gross
—
Modeled estimate, not a reported figure. How we estimate →
Checked against 8 developer-reported gamesmedian error 4%See the anchors →
Est. copies sold
approximately 0
mid estimate
Reviews
0
Concurrent players
Trends
Historical charts
Followers2
211.81.51.2
Aug '26Aug '26Sep '26Sep '26Sep '26
Steam followers (game-group members) tracked daily from when we started recording.
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
Momentum
Selling now
Reviews / day
+0
last 7 days
Reviews / day
+0
last 30 days
Pace estimated from the game's recent review growth (our daily snapshots) at its own sales-per-review ratio — a momentum signal, not booked sales.
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