Here are some tips for people new to Chicken Invaders 5! Feel free to take advice and share some tips with others! :) And if you want, tell us what's wrong and what's good! Oto porady dla ludzi zaczynających swoją przygodę z Chicken Invaders 5! Nie bój się 

This guide will give you tips on earning all 15 Medals (AKA Achievements) in CI5. (Especially for the Greatest Chicken Hunter of All Time medal) 

This guide will help you learn the optimal strategy for farming keys and unlocking everything in Chicken Invaders 5. 

simplified step by step guide how to get all achievements 

A guide explaining the way multiplayer works in CI3, CI4 and CI5 across both the Steam version and the version from the developer's site.