Most players waste coins. The optimal upgrade path is:
Follow this, and you’ll progress twice as fast as someone buying random upgrades.
The developers of Fishington.io have implemented server-side anti-cheat that tracks multiple metrics: fishington.io hacks
Penalties for confirmed cheating:
Many cheaters discover that even if their “hack” works for a few days, the ban eventually catches up—and they’ve wasted more time than if they had played legitimately. Most players waste coins
Claim: An overlay that reveals the exact location, type, and rarity of every fish in the water, even through walls or terrain.
Reality: Technically possible but complex. ESP (Extra Sensory Perception) hacks read network packets sent from the server to your client. Since the server tells your game where fish are (otherwise you couldn’t see them), a packet sniffer could theoretically extract that data and display it on a second screen. However, implementing this requires advanced programming skills. Most free “ESP downloads” are trojans. Follow this, and you’ll progress twice as fast
Verdict: Highly advanced users could build it, but public versions are malicious.