What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~23,397
(P10–P90: 9,359 – 51,473)
Gross revenue: ~$287,591
($115,039 – $632,696)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band means: we'd be surprised if the truth sat outside it. How we estimate
Player voice — measured shares of Steam thumbs, never a model
Content & longevity77% positive · 83 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
Gameplay & mechanics83% positive · 82 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
Story & writing77% positive · 70 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
Difficulty & balance76% positive · 46 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
Price & value83% positive · 30 mentions
“Having a great time with this game. Very defense oriented RTS with lots to do in the way of progression. Varied mission types, a lot of content for the price. Worth a buy!”Recommended · Steam review · Jan 2025 · 11 h played
Visuals & audio86% positive · 28 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
Controls & 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
Performance & 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
299 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology