Hacker Logic & Cipher Puzzle.
Challenge friends or random operatives worldwide. Set your defense code, stake your credits, and break ciphers first.
Use advanced hacker tools like Logic Analyzers, Time Warps, and Oracle Hints to gain the upper hand.
Earn XP, climb the ranks, and unlock exclusive badges and titles to become the ultimate Server King.
Protocol 4 has been fully re-engineered from the ground up to bring intense multiplayer battles and modern hacker aesthetics.
Go head-to-head with players worldwide in high-stakes 1v1 hacker matches.
Rank up by solving daily challenges and winning duels to rule the network.
Unlock exclusive tactical badges and hacker titles as you level up your profile.
Fully reimagined visual style with neon hacking aesthetics and smooth optimizations.
Simplify your choices with Optio. The premium, ad-free cyberpunk decision-making experience for iOS.
Test your speed and math skills in this fast-paced game. How fast can you calculate?
