Full game metadata
| Field | Value |
|---|---|
| Steam app type | game |
| Steam App ID | 4596860 |
| Live current players | 0 |
| SteamPulse tracked peak | 0 |
| Live count (today's peak floor) | 0 |
| Price | $1.99 |
| Free to play | No |
| Discount | 0% |
| Original price USD | $1.99 |
| Current price USD | $1.99 |
| Release date | Jun 11, 2026 |
| Developer | Zzz Idle Games |
| Publisher | Zzz Idle Games |
| Owners estimated | Not available |
| SteamSpy owner estimate minimum | Not available |
| SteamSpy owner estimate maximum | Not available |
| Review type | 3 user reviews |
| Positive review percent | 33% |
| Positive reviews | 1 |
| Negative reviews | 2 |
| Total reviews | 3 |
| Steam recommendations | Not available |
| Achievements | 50 |
| Average playtime forever | Not available |
| Windows support | Yes |
| macOS support | No |
| Linux support | No |
| Parent game | Not available |
| Store URL | https://store.steampowered.com/app/4596860/ |
Short description
Idle Protocol is a minimalist sci-fi tower defense and incremental game. Manage a central CPU core, equip exactly 2 Nodes, and defend against geometric anomalies. Perform a System Reboot to earn Cycles and unlock permanent modules in the BIOS!
About this game
Welcome to the Mainframe Idle Protocol is a minimalist sci-fi tower defense / idle incremental game where tactical loadouts and economy management meet raw, exponential firepower. Set in a dark, neon-lit digital void, your goal is simple: manage a central CPU core and defend against an endless swarm of geometric anomalies. Dual-Core Tactical Combat Forget building complicated mazes. In Idle Protocol, you equip exactly 2 active Nodes (Towers) to face the swarm. Choose from 5 distinct weapons, including: Kernel: A balanced central core that focuses on consistent damage and devastating critical strikes. Surge: A high-fire rate node that unleashes devastating Chain Lightning. Solaris: A heavy sniper that applies intense Thermal/Burn damage. Trojan: A viral node that applies Damage over Time through Malware. Cluster: An unstable containment unit focusing on Explosion/AoE damage. Deep Meta-Progression Hit an economic wall? Perform a System Reboot to prestige and earn Cycles. Spend your Cycles in the BIOS—a massive Hexagonal Grid Layout skill tree—to unlock game-changing Ultimate abilities like "Infinite Loop" or "Supernova". Defeating Bosses also grants Upgrade Points (Chips) for the Circuit tab to further optimize your build. The True End Game: Quarantine Protocols This isn't just an endless grind. Reach Wave 500 to unlock the true endgame: Quarantine Protocols. Initiate a run with up to 5 brutal modifiers—like the No-Click Protocol or Monocore restrictions—to prove your architectural mastery and unlock exclusive Alternate Skins for your nodes. Key Features: Minimalist Aesthetics: High contrast neon graphics with Bloom and subtle CRT/Scanlines effects. Respects Your Time: Fast-paced fixed wave spawns and Offline Progress that grants 50% of normal earnings while the game is closed. Dynamic Scaling: Watch your damage output skyrocket into the Trillions as projectiles dynamically grow in size and sound heavier based on their level. Built-in Achievements: Track your progress with 50 unique milestones and an integrated Stats Tracking System.
Supported languages
English, French, Italian, German, Spanish - Spain, Simplified Chinese, Traditional Chinese, Korean, Japanese, Portuguese - Brazil, Russian