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The two sides of coins are known as Heads (note the -s) and Tails.
"succeed" is written with 2 Es, and you succeed IN an action. However, my advice would be to write "...the player is successful", instead of "...the player succeeds in the action."
Instead of "In Resume", which does not make sense in English afaik, consider "In Brief", or "In a Nutshell".