diff --git a/README.md b/README.md
index 4ac6747..b4b2bad 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,16 @@ responding, but just wait and it'll be fine eventually. If not, short-circuit th
 `generate_safe_prime` function in `random_primes.js` to just return a normal prime
 (there is a comment on the conditional that needs to be removed).
 
-### Playing the game
+## Playing the game
 
 1. Open the game in two separate tabs
 2. Press "Ready" on both tabs once they are fully loaded
+
+## Implementation bugs
+
+* When attacking, the units are not subtracted from the attacking region correctly.
+* Some proofs are not verified.
+  * Proof of the ciphertext used when claiming.
+  * Proof of the ciphertext used when capturing.
+* The win condition is not checked.
+* Not thoroughly tested on over 2 players.