Who wrote this comparison.
This comparison comes from OverFuture, a games and software company based in Zaragoza. We develop games for clients ourselves, so we are not in the table and introduce ourselves separately, under ‘About us’. Each studio’s data was checked on its own website on 10 November 2026, and no studio paid to appear.
How we scored each studio.
We gathered Spanish companies that build games for other businesses. That can mean a full commission, co-development, porting, or a training or advertising game. Studios that only release their own titles are not included. Each company provides at least four facts we could verify.
| Criterion | Weight | What we look at |
|---|---|---|
| Development for clients | 25 | Services listed on its website |
| Verifiable address in Spain | 20 | Address in the legal notice, privacy policy or contact page |
| Track record | 20 | The company’s own years; if it publishes its starting year, we count from that year. 20 points from 20 years, 15 for 10 to 19, 10 for 5 to 9, 5 for fewer, 0 with no figure |
| Published games or projects | 20 | Games or game projects on its website, each with a store page or a page of its own with a description; a tile on a shared page does not count. 20 points for two or more, 10 for one and 0 for none |
Here the portfolio means published games and client cases, not websites. A title you can download, or a case with a named client, says more than an image gallery. Two games or projects with their own page are needed for the full 20 points.
Public reviews (15 points) will join the January 2027 review. Until then the score is out of 85. No company pays to appear, and ties are listed alphabetically.
Declaration of interest. OverFuture offers this same service, so it is neither ranked nor listed in the table. Last review, 10 November 2026.
Results.
| # | Studio | Work for clients | Base | Track record | Published games or projects | Points |
|---|---|---|---|---|---|---|
| 1 | Brave Zebra | Outsourced development, art and porting | Valencia | Since 2013 | Endling and Moonlighter | 80 |
| 2 | Cookie Box | Serious games and gamification | Barcelona | 18+ years | Compliance Culture Game and an oxygen therapy game | 80 |
| 3 | Deusens | Brand games on Roblox, Fortnite and Meta Horizon Worlds | Zaragoza | 10+ years | Glitch Happens and TOTTO Super Camp | 80 |
| 4 | Game Strategies (Gamelearn) | Training games and simulators | Pozuelo de Alarcón (Madrid) | Since 2007 | JTI case and training games with own page | 80 |
| 5 | Globalzepp | Advergaming | Madrid | Since 2007 | Advergames for McDonald’s and AXA | 80 |
| 6 | Gunka Studios | Advergaming, serious games and corporate games | Santurtzi (Bizkaia) | 15+ years | Fuzetea and Matching! | 80 |
| 7 | Starloop Studios | Full development, porting and co-development | Lleida | Since 2011 | Games with own page in its portfolio | 80 |
| 8 | The Breach Studios | Work for hire and co-development | Barcelona | Not stated | Westlanders page on Steam and a LaLiga game | 65 |
Studio profiles.
Brave Zebra. A Valencia company that has offered outsourced game development to other studios since 2013. It covers art, programming, porting and design. Its address is on Carrer de la Creu Roja. Its portfolio pages include Endling and Moonlighter.
Cookie Box. A gamification and serious game consultancy on Rambla de Catalunya in Barcelona. It claims more than 18 years of experience. It publishes training game cases for companies, such as Compliance Culture Game and a serious game on oxygen therapy.
Deusens. A Zaragoza agency that builds technology projects for brands and claims more than 10 years of experience. Its portfolio includes Glitch Happens, a co-operative game in Meta Horizon Worlds, and a summer camp for TOTTO on Roblox.
Game Strategies (Gamelearn). It develops training games and simulators for companies. It has been entered in the Madrid Commercial Register since 2007, and its office is in Pozuelo de Alarcón. Its website speaks of 20 years of excellence, but it says it all began in 2007, so it scores 15 for track record. It publishes client cases, such as JTI, and course pages such as Aqua, on effective feedback.
Globalzepp. A Madrid advergaming agency that says it has worked since 2007. Its portfolio includes a Just Dance advergame for McDonald’s and a VR event for AXA. Its legal notice gives its address on Avenida del Mayorazgo.
Gunka Studios. An agency in Santurtzi that makes advergames, serious games and corporate games. It says it has spent more than 15 years building custom projects for companies. Its project pages include Fuzetea, a promotional web game, and Matching!, a brain-training game for iOS and Android.
Starloop Studios. A Lleida studio offering full production, porting, co-development and art. It says it has worked since 2011. Each game in its portfolio has its own page, including HeavenStrike Rivals and Hello Kitty Merge Town.
The Breach Studios. A Barcelona studio offering work for hire and co-development to studios and publishers. Westlanders has a page on Steam, and it shows an official LaLiga game made on commission. It does not publish a founding year.
How to choose a game studio.
The studio does not need to be in your city, but the brief does need to be clear. These questions help avoid surprises.
- Have you seen one of its games running on the platform you need?
- Ask for a quote that separates prototype, production and release.
- Put the ownership of the code and the art in writing.
- Agree on meetings and playable builds every few weeks if you work remotely.
- Ask who maintains the game after launch.
If your project is closer to a training or engagement tool, see the best gamification companies in Spain. To see how we build games ourselves, visit our page on Unity development or browse our own games.
Frequently asked questions.
Seven studios share first place with 80 out of 85 points, listed alphabetically: Brave Zebra, Cookie Box, Deusens, Game Strategies (Gamelearn), Globalzepp, Gunka Studios and Starloop Studios.
Its website publishes no starting year and no years of activity. If it does, we will count it in the next review.
Because we also develop games for clients and compete with these studios. Our details are in the ‘About us’ box, outside the table.
Yes. The Spanish version uses the same studios and criteria.
Related projects.
Real work by OverFuture and its founder in this field. The project pages are in Spanish.
