What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~23.9k
(P10–P90: 9.6k – 52.6k)
Gross revenue: ~$294k
(P10–P90: $118k – $647k)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band approximates where about 8 in 10 comparable games land in published studies; some sit outside it. Our own hit rate goes on the accuracy ledger once measured. How we estimate
Estimates are statistical inferences from public data. They are not sourced from Valve or the developer and may deviate materially from actual results. Do not rely on them for investment or contractual decisions. As of Oct 1, 2026.
Player voice — measured shares of Steam thumbs, never a model
Content & longevity76% positive · 87 mentions
“Overall, solid tower defense game, give it a 7.5/10. Performance is great, no slowdown even in the 2hr refinery run for achievement when there's tens of thousands on the sceen. Good aesthetic and art, solid music. Formulaic but serviceable…”
Recommended · Steam review · Jul 2025 · 25 h played · Report / request removalGameplay & mechanics82% positive · 84 mentions
“IDUN - Frontline Survival for me 10/10 for a Tower Defense Game I like it. It has full tower/hero mobility. Very fast pace with some rogue lite stuff too. If you liked the creeper world games give this one a shot. +Enemies die and leave…”
Recommended · Steam review · Jan 2026 · 66 h played · Report / request removalStory & writing76% positive · 74 mentions
“IDUN - Frontline Survival for me 10/10 for a Tower Defense Game I like it. It has full tower/hero mobility. Very fast pace with some rogue lite stuff too. If you liked the creeper world games give this one a shot. +Enemies die and leave…”
Recommended · Steam review · Jan 2026 · 66 h played · Report / request removalDifficulty & balance76% positive · 49 mentions
“Great game, I recommend it. You may find yourself thinking it's too easy if you go do side battles and build up your strength ahead of things. But that won't last. After the "last mission" of the story campaign, you unlock "extreme"…”
Recommended · Steam review · Jun 2025 · 34 h played · Report / request removalPrice & value82% positive · 33 mentions
“While the core mechanics are genuinely impressive and offer a satisfying tactical foundation, the experience suffers from a lack of mission variety that makes long sessions feel like a chore. It’s a fun, engaging distraction in short…”
Recommended · Steam review · May 2026 · 23 h played · Report / request removalVisuals & audio86% positive · 29 mentions
“IDUN - Frontline Survival for me 10/10 for a Tower Defense Game I like it. It has full tower/hero mobility. Very fast pace with some rogue lite stuff too. If you liked the creeper world games give this one a shot. +Enemies die and leave…”
Recommended · Steam review · Jan 2026 · 66 h played · Report / request removalControls & UI70% positive · 20 mentions
“IDUN - Frontline Survival for me 10/10 for a Tower Defense Game I like it. It has full tower/hero mobility. Very fast pace with some rogue lite stuff too. If you liked the creeper world games give this one a shot. +Enemies die and leave…”
Recommended · Steam review · Jan 2026 · 66 h played · Report / request removalPerformance & stability85% positive · 20 mentions
“IDUN - Frontline Survival for me 10/10 for a Tower Defense Game I like it. It has full tower/hero mobility. Very fast pace with some rogue lite stuff too. If you liked the creeper world games give this one a shot. +Enemies die and leave…”
Recommended · Steam review · Jan 2026 · 66 h played · Report / request removal309 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology
Reviews are shown as published on Steam, including reviews from key activations and free copies — so percentages here can differ from the score on the Steam store page. GameTrend does not check whether reviewers bought or played the game.