Why Simple Mechanics Win in Prototyping?
Source: Dev.to
First Impressions & Onboarding
One of the strongest aspects of the prototype was that no tutorial was needed. All controls were explicitly displayed on-screen. This approach, similar to The Binding of Isaac or many Ubisoft titles, is incredibly valuable in a game jam or prototyping setting. When there are dozens of games to test, time‑to‑fun is a huge factor, and this game respects the player’s time immediately.
Mechanics as Difficulty Sliders
The reloading mechanic was particularly clever; it “spices up” the gameplay while acting as a hidden, organic difficulty slider. As discussed by GMTK (2024), games like Super Mario often include elements that allow players to adjust the difficulty through their own playstyle. In Rat with a Gun, bullets reload one by one when you touch the ground.
- Easy mode: wait for a full reload.
- Hardcore mode: wait only for the necessary bullets and speedrun the level.
This execution was simple yet profound.
The “Juice” and Emergent Gameplay
It is impossible to ignore the pigeons. They explode upon death, which is both satisfying and hilarious. During our feedback session at the university, the entire room laughed when the explosions triggered.
Since the core mechanic is physics‑based, a strong addition would be to apply directional force to the character from these explosions. This could introduce emergent gameplay, allowing players to use enemies to reach previously inaccessible platforms or add chaos to the movement.
Visuals & Polish
There were a few minor issues regarding clarity:
- The colour contrast of the spikes made it difficult to see how many bullets were left in the UI.
- Some platforms appeared to allow falling through, but movement was actually locked from above.
Overall, the aesthetic was cohesive and nothing felt out of place.
Reflection: How This Influences My Work
Analyzing Rat with a Gun shifted my perspective on my own prototyping process. I tend to focus heavily on complex systems, but seeing how much enjoyment players got from the simple “pigeon explosion” feedback loop reminded me that “game feel” (juice) is just as important as the underlying code.
Inspired by the effective simplicity of this game, I plan to prioritize creative aspects such as 3D modelling and game feel in my next prototypes, rather than complex algorithms. While I am confident in my technical implementation skills, this review highlighted the value of exploring less‑experienced areas to become a more well‑rounded developer.
Conclusion
The ending was hilarious, and the inclusion of a second gun showed great potential for progression. Although it doesn’t radically reinvent the “From A to B” theme, it is a fantastic execution of a user‑centric idea. Players aren’t thinking, “How is the theme integrated?” but rather, “This movement is cool!”
With more time, the game could evolve into a strong “rage” platformer—similar to Getting Over It (Bennett Foddy), Golfing Over It (Alva Majo), or I Wanna Be The Guy—where the goal is to ascend as high as possible using challenging controls and physics. Additional levels could also make it a successful speed‑run title.
References
- Brown, M. (2024) Super Mario’s Invisible Difficulty Settings. Available at: (Accessed: 9 January 2026).
- LifeIsForLego (2026) Rat with a Gun [Downloadable game]. Available at: (Accessed: 2 February 2026).