Asterix and Obelix XXXL : The Ram From Hibernia - PlatPrices

Each chapter contains hidden in specific locations:

In co-op mode, players can throw food to one another to heal.

Look at the end of the pier after the first battle, or behind crate stacks near the hairdresser shop.

Objects in the world aren't just for combat; they are often required to solve puzzles and unlock hidden paths. World & Exploration

Points are earned primarily by fighting Romans. Note that in single-player, the CPU-controlled ally does not generate points for you.