Tower defense is usually a calm yet strategic genre. Hack ‘n’ Stack takes a twist by introducing a loud, wobbly, four-player co-op game. It is a fun change of pace where the barricades you place might collapse because someone bumped into them. Developer Triple Boris, a Québec studio working under its Dodo Tako label, released the game on October 9, 2026. Sticky Rice Games co-published it, and you can play it on PC and Nintendo Switch. Even though the game requires polish, there is no doubt that it is a fun and chaotic time.
The Kingdom Needs Builders
The kingdom is under siege, and a team of makeshift builders has to reclaim it. You have to build against waves of gelatinous monsters that march toward your base. There is no story in the game, as the main focus is on the co-op action. Hack ‘n’ Stack is divided into levels, and each level asks you to defend a key spot. There is a resource gathering phase where you collect wood, stone, and food. These resources are later used to build barricades, walls, and turrets. Enemies and monsters come in rounds, and you have little time to prepare. The loop is a simple circle of building, defending, and rebuilding.
As the title suggests, the gameplay loop incentivizes stacking things. Resource blocks and defenses can be piled up to boost their strength. Higher stacks make tougher barricades and stronger turrets. There is a strategic element to how you place and stack. Combat in Hack ‘n’ Stack is hands-on, as you can hit enemies with your weapons. You can toss them around. You can even launch your friends across the map. It is a chaotic mechanic. You can throw your teammates into a swarm and then build a wall around them. Chaotic but fun.
Physics With a Mind of Its Own
Physics drives the whole experience. Objects wobble, slide, and tumble. A neat barricade can topple because an enemy brushed it. A turret can slide off its perch at the worst moment. Planning feels strategic, but placing things feels tactile and unpredictable. That unpredictability is one of the best parts of the game but is also the biggest source of frustration. You carefully plan a defensive structure, and it just collapses on its own without making any sense. This can be infuriating for players who want strategic gameplay.
Hack ‘n’ Stack is suited to be played with friends and with a non-strategic mindset. The game supports up to four players. You can play online or on the couch with split-screen. That’s a big plus for a party game. The gameplay also works best with a full squad. Four people can split up tasks. One gathers resources. One builds. One fights. One tosses enemies into a pit. However, playing solo is a miserable experience. The game doesn’t shine without other players. During waves, it’s nearly impossible to manage everything alone, especially once enemies stun you. You can’t build, gather, and fight at the same time. The physics-driven comedy thrives on human unpredictability. Without friends, you lose most of that magic.
Cute, Colorful and Repetitive
The presentation is cheerful. The art style is cartoonish, bright, and cute. Characters are goofy, and you can customize them to stand out. The jelly-like enemies look silly rather than scary. The tone is family-friendly. Nothing here is meant to be taken seriously. The structure of Hack ‘n’ Stack is simple. Four worlds each contain several small levels. In total, there are 24 handcrafted stages. Each level asks you to defend your base through a few attacks. Technical polish is a weak spot of the game. It would have benefited from more refinement. Small hiccups and rough edges show up here and there. They don’t ruin the fun, but they remind you that the game isn’t fully baked. The sound and visual identity fit the concept well.
Hack ’n’ Stack is a charming, chaotic co-op romp. The mix of building, fighting, and physics feels fresh. The stacking system is satisfying. Tossing friends across the map never gets old. In a full group, it’s a blast. The cheerful style makes it welcoming for everyone. But the game stumbles in a few places. Solo play falls flat. Levels can feel repetitive. Building controls are fiddly. Physics sometimes lets you down at the worst moments. A bit more technical polish would help. These problems keep it from being a classic.
