World of Upgrade is a free simulation game where the goal is to upgrade and improve weapons to higher tiers and then sell them for profit. It sounds simple, but each time you try to upgrade a weapon, your chances of success drop, making failures more likely and sometimes causing you to lose the weapon’s rarity entirely.

Test your luck

In World of Upgrade, you need to upgrade your weapons with gold to move to the next tier, but the higher the tier, the harder it is to succeed. If you fail an upgrade, you’ll need to use a restore ticket to fix it, or you might have to give up on that weapon altogether.

The objective is to top the leaderboards with your highest upgrade tier, which is a bit unfair since the game is entirely based on luck. It gets pretty repetitive because all you're doing is upgrading weapons and hoping everything works out. If you think about it, the gameplay is pretty much like gambling.

Feels like a gambling game

Overall, World of Upgrade is great for fans of games that focus on upgrading and taking risks. It’s a high-stakes, high-reward kind of game that favors those willing to test their luck. That said, it’s not really about skill—mostly, the best players are just the lucky ones.