
Digger Machine
The original arcade digging game with more than four million downloads worldwide.
Go undergroundIndependent mobile game studio · Poland · since 2015
We make colorful mobile games that are easy to pick up and rewarding to master: arcade mining adventures and globe-trotting word puzzles for iPhone, iPad and Android.
Our games
Dig for rare minerals in an arcade mining game, build better machines, explore new underground worlds or take your vocabulary around the globe in a crossword puzzle game.

The original arcade digging game with more than four million downloads worldwide.
Go underground
New worlds, new machines, more treasures and even deeper digging.
Start the sequelCrossword puzzles, destinations and a vocabulary tour around the world, powered by Oxford Dictionaries.
Pack your wordsThe studio
eRapid Studio is an independent mobile game developer based in Poland. We build approachable arcade and puzzle games around clear ideas, expressive worlds and satisfying progression, and we keep improving them with player feedback.
Meet eRapid StudioFAQ
eRapid Studio develops three mobile games: Digger Machine, an arcade mining game for iOS and Android; Digger 2, its sequel for iOS; and Word Travels, a crossword puzzle game for iOS with more than 1,500 levels.
Yes. All of our games are free to download from the App Store and Google Play. They are supported by optional in-app purchases and ads.
eRapid Studio is an independent game studio based in Poland, publishing games for players worldwide since 2015.
Email support@rapidgs.com with the game name, your device and a short description of the problem. See our contact page for tips that help us answer faster.