Seriously, a Helsinki, Finland-based mobile gaming startup, raised $5m in additional funding.
Backers included existing investors Sunstone Capital and Upfront Ventures.
The company, which has raised $10m in total to date and aims to commence a Series A round in the new year, intends to use the funds to grow the team and expand globally.
Founded in August 2013 and led by Andrew Stalbow, CEO, and Petri Järvilehto, Chief Creative Officer, Seriously is the creator of Best Fiends, a puzzle game available for iOS devices (iPhone, iPad and iPod touch) globally.
The second title in a trilogy will be released in 2015.