Disclaimer: this is fundamentally a subjective comparison, and your mileage may vary, but I'll try to keep it as objective as I can anyway. Do comment if you have suggestions on what to change or add.
| Godot | Unity | Unreal | |
|---|---|---|---|
| Overview | |||
| Console support | - | + | + |
| Maturity | - | + | + |
| 2D support | ++ | ++ | - |
| Open-world performance | - | + | ++ |
| Asset store | - | ++ | + |
| Source available | ++ | - | + |
| Bloat/feature set | - | + | ++ |
| Popular games released | - | ++ | + |
| Day-to-day DX | |||
| Scripting language | + | ++ | - |
| "Enter game mode" speed | ++ | -- | + |
| Iteration speed | ++ | + | - |
| Documentation | + | ++ | - |
| Learning curve | ++ | + | - |
| Version control friendly | + | + | - |
| Individual features | |||
| Node system | ++ | + | - |
| Landscapes | - | ? | + |
| Isometric support | + | + | - |
| Splines/paths | 0 | 0 | + |
| Game | Team size* | Engine | Release date | Type |
|---|---|---|---|---|
| Monument Valley | 8 | Unity | Isometric | |
| Tunic | 1+ | Unity | 2022 | Isometric |
| Death's Door | 2 | Unity | 2021 | Isometric |
| Stardew Valley | 1 | C# + XNA | Top-down | |
| Return of the Obra Dinn | 1 | Unity | First-person | |
| Papers, Please | 1 | Unity | ||
| A Short Hike | 1+ | Unity | ||
| Pan-Pan | 1+ | Unity | 2016 | |
| Botany Manor | 5 | Unity | 2024 | First-person |
| Vampire Survivors | 1+ | Unity | 2022 | Top-down |
| Lethal Company | 1 | Unity | 2023 | |
| Minecraft | 1+ | Java | First-person | |
| Thomas Was Alone | 1 | Unity | 2012 | |
| Antichamber | 1 | Unreal | 2013 | |
| Choo-Choo Charles | 1 | Unreal | 2022 | |
| Brotato | 1 | Godot | 2023 | Top-down |
| Axiom Verge | 1 | MonoGame (C#) | 2015 | Platformer |
| Celeste | 1+ | MonoGame (C#) | 2018 | Platformer |
| Animal Well | 1 | Custom | 2024 | Platformer |
| Cocoon | 1/3 | Unity | 2023 | Top-down |
| A Monster's Expedition | 1/6 | Unity | 2020 | Top-down |
| Gris | 1/5 | Unity | 2018 | Platformer |
| Paradise Marsh | 1/3 | Unity | 2022 | First-person |
| Cosmic Express | 1/3 | Unity | 2017 | |
| Firewatch | 10+ | Unity | 2016 | First-person |
| Outer Wilds | 10+ | Unity | 2019 |
* two numbers mean number of programmers and other developers respectively