diff --git a/src-client/Client/Types.hs b/src-client/Client/Types.hs
index f24c5ca..dadbfb0 100644
--- a/src-client/Client/Types.hs
+++ b/src-client/Client/Types.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE StrictData #-}
 module Client.Types where
 
 import qualified Control.Concurrent.STM as STM
diff --git a/src-lib/Library/Types/Communication.hs b/src-lib/Library/Types/Communication.hs
index 57f723c..52070ae 100644
--- a/src-lib/Library/Types/Communication.hs
+++ b/src-lib/Library/Types/Communication.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE StrictData #-}
 module Library.Types.Communication where
 
 import Data.Aeson
diff --git a/src-server/Server/Log.hs b/src-server/Server/Log.hs
new file mode 100644
index 0000000..3d27258
--- /dev/null
+++ b/src-server/Server/Log.hs
@@ -0,0 +1,29 @@
+module Server.Log where
+
+import Control.Monad (when)
+
+import Control.Monad.RWS (asks, MonadIO (liftIO))
+
+import Debug.Trace
+
+-- internal imports
+
+import Server.Types (LogLevel, Game, ReaderContainer (rcLogLevel))
+
+logPrint
+  :: LogLevel
+  -> String
+  -> Game ()
+logPrint level msg = do
+  curLevel <- asks rcLogLevel
+  when (level <= curLevel) $
+    liftIO $ traceIO $ show level <> ": " <> msg
+
+logPrintIO
+  :: LogLevel
+  -> LogLevel
+  -> String
+  -> IO ()
+logPrintIO curLevel level msg = do
+  when (level <= curLevel) $
+    liftIO $ traceIO $ show level <> ": " <> msg