NetGuard
Play NetGuard free online — defend your network from waves of malware in this cyberpunk tower defense roguelike. Place software programs like Firewalls, Antivirus, and Exploits on circuit board nodes. Choose upgrades between waves. How far can you survive? No download.
Strategy
NetGuard
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📖 How to Play
Place programs on circuit nodes to defend your server from malware. Earn BTC by eliminating threats. Choose upgrades between waves. Survive as long as you can!
❓ Frequently Asked Questions
What programs can I place in NetGuard?
There are 5 programs: Firewall (blocks enemies), Antivirus (single-target DPS), Proxy (slows enemies), Exploit (area damage), and Cryptominer (generates BTC income). Each can be upgraded 2 times.
How do roguelike upgrades work?
After each wave, you pick 1 of 3 random upgrades. Common upgrades boost stats, Rare upgrades create synergies between programs, and Legendary upgrades (10% chance) are game-changers like DDOS Strike that freezes all enemies periodically.
How is the score calculated?
Your score combines wave reached (x100), kill bonuses per enemy type, remaining BTC (x2), remaining server HP (x5), and consecutive no-leak waves (x50 each). Top scores go on the global leaderboard!
How much do programs cost, and can I repair the server?
Place costs in BTC: Firewall 50, Proxy 60, Antivirus 75, Cryptominer 80, Exploit 100. Each program upgrades twice (three tiers). Repair costs 30 BTC and restores 20 server HP. Cryptominers start at 5 BTC/s. Final score is wave×100 + kill points + remaining BTC×2 + server HP×5 + no-leak streak×50.
Can I play NetGuard on mobile for free?
Yes. Tap a program then a circuit node to place; tap a placed program to upgrade it. After each wave pick 1 of 3 cards (60% common, 30% rare, 10% legendary). Free in the browser — no download, account, or two-player. Best wave/score save on this device; a global board appears only when the server leaderboard is available.
How much BTC and server HP do you start with in NetGuard?
Each run begins at Wave 1 with 150 BTC, 100/100 server HP, and a prep phase to place programs before you tap Start Wave. A random circuit layout is picked every run.
When does a NetGuard run end?
The run ends when server HP hits 0 — enemies that leak to the core deal damage. Survive endless waves in solo play; best wave/score save locally. Global leaderboard posts only when the server leaderboard API is available.
When do NetGuard enemy types appear?
Virus from wave 1. Worms from wave 3 and split into 2 weaker children on death. Trojans from wave 5 stay stealthed until 50% of the path. Spyware from wave 7 disables a hit program for 3s; ransomware from wave 10 encrypts for 10s. Zero-Day bosses from wave 15 have 300 HP, ignore slow, and damage programs they pass. Prep lasts 15 seconds (or tap Start Wave). HUD speed is 1x or 2x. Solo only.
Which enemy do my programs shoot first?
The one closest to the core: every program targets the visible enemy in range with the highest path progress. Antivirus fires single-target at that leader, Exploit centers its AoE blast on that cluster, and Proxy applies its damage and slow to it. A fast leaker near the core always out-prioritizes a fresh spawn — so place slow coverage near the end of the path.