Coo Coo Cashoo is a quirky, avian-themed video slot developed by Yggdrasil Gaming. Known for their high-quality production and innovative mechanics, Yggdrasil takes a more lighthearted approach here, centering the action on a cast of eccentric, “coo coo” birds. The game features a 5-reel layout with a dynamic row structure that can expand, offering a modern twist on the classic bird-themed slots we’ve seen in the past, such as Birds on a Wire or Yggdrasil’s own Raptor DoubleMax.
How the Game Works
The core engine of Coo Coo Cashoo revolves around a cascading wins mechanic. When you land a winning combination, the participating symbols vanish, allowing new symbols to drop from above. This can lead to multiple consecutive wins on a single paid spin. What sets this title apart from standard “grid” slots is the Feather Multiplier system. Each consecutive cascade increases a global win multiplier, which resets once the cascades stop in the base game but remains or grows even more aggressively during the bonus rounds.
The symbol hierarchy is split between low-value eggshells and high-value tropical birds. The most coveted symbol is the “Golden Cuckoo,” which acts as a Wild and can substitute for any standard pay symbol. To trigger the primary bonus, players need to land three or more “Nest” Scatters.
Bonus Features and Mechanics
In typical Yggdrasil fashion, the game is packed with “Game Engagement Mechanics” (GEMs). One of the standout features is the Expanding Nests. Occasionally, a random “Coo Coo” event will trigger, causing the reels to expand from a standard 5×3 grid to a 5×6 grid, significantly increasing the number of ways to win.
The Free Spins round is where the volatility truly shows its face. During this mode, the win multipliers do not reset between spins, allowing for exponential growth if you manage to string together several cascades. Furthermore, Yggdrasil has included a Gamble Feature for the Free Spins; players can risk their initial 8 spins for a chance at 12 or 16, though losing the gamble returns you to the base game empty-handed.
Visually, the game is stunning. The animations of the birds are fluid and humorous, providing a high level of “edutainment” as you watch the reels spin. While it may look like a casual social game, the underlying math model is quite robust, catering to those who enjoy high-risk, high-reward gameplay.


