diff --git a/levels/defi-po/pl.po b/levels/defi-po/pl.po
index 664fd52d..9d1ca9ba 100644
--- a/levels/defi-po/pl.po
+++ b/levels/defi-po/pl.po
@@ -26,34 +26,34 @@ msgstr "P"
 #: defi/defi100.txt:1 defi/defi100.txt:1
 #, no-wrap
 msgid "defi100:Fundamentals"
-msgstr ""
+msgstr "defi100:Podstawy"
 
 #. type: Title-text
 #: defi/defi200.txt:1
 #, no-wrap
 msgid "defi200:Motors"
-msgstr ""
+msgstr "defi200:Silniki"
 
 #. type: Title-resume
 #: defi/defi200.txt:1
 #, no-wrap
 msgid "defi200:Motor"
-msgstr ""
+msgstr "defi200:Silnik"
 
 #. type: Title-text
 #: defi/defi300.txt:1
 #, no-wrap
 msgid "defi300:Mover"
-msgstr ""
+msgstr "defi300:Poruszanie się"
 
 #. type: Title-resume
 #: defi/defi300.txt:1
 #, no-wrap
 msgid "defi300:Move"
-msgstr ""
+msgstr "defi300:Poruszanie się"
 
 #. type: Title-resume
 #: defi/defi400.txt:1 defi/defi400.txt:1
 #, no-wrap
 msgid "defi400:Functions"
-msgstr ""
+msgstr "defi400:Funkcje"
diff --git a/levels/free-po/pl.po b/levels/free-po/pl.po
index 220a377e..a7fc3b1f 100644
--- a/levels/free-po/pl.po
+++ b/levels/free-po/pl.po
@@ -26,106 +26,106 @@ msgstr "P"
 #: free/free100.txt:1
 #, no-wrap
 msgid "free100:Leaving Earth"
-msgstr ""
+msgstr "free100:Pożegnanie z Ziemią"
 
 #. type: Title-resume
 #: free/free100.txt:1
 #, no-wrap
 msgid "free100:Earth"
-msgstr ""
+msgstr "free100:Ziemia"
 
 #. type: Title-text
 #: free/free200.txt:1
 #, no-wrap
 msgid "free200:On the Moon"
-msgstr ""
+msgstr "free200:Na Księżycu"
 
 #. type: Title-resume
 #: free/free200.txt:1
 #, no-wrap
 msgid "free200:Moon"
-msgstr ""
+msgstr "free200:Księżyc"
 
 #. type: Title-text
 #: free/free300.txt:1
 #, no-wrap
 msgid "free300:On Tropica"
-msgstr ""
+msgstr "free300:Na Tropice"
 
 #. type: Title-resume
 #: free/free300.txt:1
 #, no-wrap
 msgid "free300:Tropica"
-msgstr ""
+msgstr "free300:Tropika"
 
 #. type: Title-text
 #: free/free400.txt:1
 #, no-wrap
 msgid "free400:On Crystalium"
-msgstr ""
+msgstr "free400:Na Krystalii"
 
 #. type: Title-resume
 #: free/free400.txt:1
 #, no-wrap
 msgid "free400:Crystalium"
-msgstr ""
+msgstr "free400:Krystalia"
 
 #. type: Title-text
 #: free/free500.txt:1
 #, no-wrap
 msgid "free500:On Saari"
-msgstr ""
+msgstr "free500:Na Saari"
 
 #. type: Title-resume
 #: free/free500.txt:1
 #, no-wrap
 msgid "free500:Saari"
-msgstr ""
+msgstr "free500:Saari"
 
 #. type: Title-text
 #: free/free600.txt:1
 #, no-wrap
 msgid "free600:On Volcano"
-msgstr ""
+msgstr "free600:Na Wulkanii"
 
 #. type: Title-resume
 #: free/free600.txt:1
 #, no-wrap
 msgid "free600:Volcano"
-msgstr ""
+msgstr "free600:Wulkania"
 
 #. type: Title-text
 #: free/free700.txt:1
 #, no-wrap
 msgid "free700:On Centaury"
-msgstr ""
+msgstr "free700:Na Centurii"
 
 #. type: Title-resume
 #: free/free700.txt:1
 #, no-wrap
 msgid "free700:Centaury"
-msgstr ""
+msgstr "free700:Centuria"
 
 #. type: Title-text
 #: free/free800.txt:1
 #, no-wrap
 msgid "free800:On Orpheon"
-msgstr ""
+msgstr "free800:Na Orfenii"
 
 #. type: Title-resume
 #: free/free800.txt:1
 #, no-wrap
 msgid "free800:Orpheon"
-msgstr ""
+msgstr "free800:Orfenia"
 
 #. type: Title-text
 #: free/free900.txt:1
 #, no-wrap
 msgid "free900:On Terranova"
-msgstr ""
+msgstr "free900:Na Nowej Ziemi"
 
 #. type: Title-resume
 #: free/free900.txt:1
 #, no-wrap
 msgid "free900:Terranova"
-msgstr ""
+msgstr "free900:Nowa Ziemia"
diff --git a/levels/scene1-po/pl.po b/levels/scene1-po/pl.po
index 11ffbaec..92b5ae29 100644
--- a/levels/scene1-po/pl.po
+++ b/levels/scene1-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene1/scene100.txt:1
 #, no-wrap
 msgid "scene100:Leaving Earth"
-msgstr ""
+msgstr "scene100:Pożegnanie z Ziemią"
 
 #. type: Title-resume
 #: scene1/scene100.txt:1
 #, no-wrap
 msgid "scene100:Earth"
-msgstr ""
+msgstr "scene100:Ziemia"
diff --git a/levels/scene2-po/pl.po b/levels/scene2-po/pl.po
index 13d5fd67..ac0808ec 100644
--- a/levels/scene2-po/pl.po
+++ b/levels/scene2-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene2/scene200.txt:1
 #, no-wrap
 msgid "scene200:On the Moon"
-msgstr ""
+msgstr "scene200:Na Księżycu"
 
 #. type: Title-resume
 #: scene2/scene200.txt:1
 #, no-wrap
 msgid "scene200:Moon"
-msgstr ""
+msgstr "scene200:Księżyc"
diff --git a/levels/scene3-po/pl.po b/levels/scene3-po/pl.po
index 4b9f1251..31967366 100644
--- a/levels/scene3-po/pl.po
+++ b/levels/scene3-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene3/scene300.txt:1
 #, no-wrap
 msgid "scene300:On Tropica"
-msgstr ""
+msgstr "scene300:Na Tropice"
 
 #. type: Title-resume
 #: scene3/scene300.txt:1
 #, no-wrap
 msgid "scene300:Tropica"
-msgstr ""
+msgstr "scene300:Tropika"
diff --git a/levels/scene4-po/pl.po b/levels/scene4-po/pl.po
index fc4076d0..8796461e 100644
--- a/levels/scene4-po/pl.po
+++ b/levels/scene4-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene4/scene400.txt:1
 #, no-wrap
 msgid "scene400:On Crystalium"
-msgstr ""
+msgstr "scene400:Na Krystalii"
 
 #. type: Title-resume
 #: scene4/scene400.txt:1
 #, no-wrap
 msgid "scene400:Crystalium"
-msgstr ""
+msgstr "scene400:Krystalia"
diff --git a/levels/scene5-po/pl.po b/levels/scene5-po/pl.po
index af713a6c..777c902e 100644
--- a/levels/scene5-po/pl.po
+++ b/levels/scene5-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene5/scene500.txt:1
 #, no-wrap
 msgid "scene500:On Saari"
-msgstr ""
+msgstr "scene500:Na Saari"
 
 #. type: Title-resume
 #: scene5/scene500.txt:1
 #, no-wrap
 msgid "scene500:Saari"
-msgstr ""
+msgstr "scene500:Saari"
diff --git a/levels/scene6-po/pl.po b/levels/scene6-po/pl.po
index 2a0ca2a4..c2ab4ae3 100644
--- a/levels/scene6-po/pl.po
+++ b/levels/scene6-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene6/scene600.txt:1
 #, no-wrap
 msgid "scene600:On Volcano"
-msgstr ""
+msgstr "scene600:Na Wulkanii"
 
 #. type: Title-resume
 #: scene6/scene600.txt:1
 #, no-wrap
 msgid "scene600:Volcano"
-msgstr ""
+msgstr "scene600:Wulkania"
diff --git a/levels/scene7-po/pl.po b/levels/scene7-po/pl.po
index 3795bb1b..1c588b3d 100644
--- a/levels/scene7-po/pl.po
+++ b/levels/scene7-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene7/scene700.txt:1
 #, no-wrap
 msgid "scene700:On Centaury"
-msgstr ""
+msgstr "scene700:Na Centurii"
 
 #. type: Title-resume
 #: scene7/scene700.txt:1
 #, no-wrap
 msgid "scene700:Centaury"
-msgstr ""
+msgstr "scene700:Centuria"
diff --git a/levels/scene8-po/pl.po b/levels/scene8-po/pl.po
index 60c3a73c..0f042e0e 100644
--- a/levels/scene8-po/pl.po
+++ b/levels/scene8-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene8/scene800.txt:1
 #, no-wrap
 msgid "scene800:On Orpheon"
-msgstr ""
+msgstr "scene800:Na Orfenii"
 
 #. type: Title-resume
 #: scene8/scene800.txt:1
 #, no-wrap
 msgid "scene800:Orpheon"
-msgstr ""
+msgstr "scene800:Orfenia"
diff --git a/levels/scene9-po/pl.po b/levels/scene9-po/pl.po
index 7e7cf10d..867548b2 100644
--- a/levels/scene9-po/pl.po
+++ b/levels/scene9-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: scene9/scene900.txt:1
 #, no-wrap
 msgid "scene900:On Terranova"
-msgstr ""
+msgstr "scene900:Na Nowej Ziemi"
 
 #. type: Title-resume
 #: scene9/scene900.txt:1
 #, no-wrap
 msgid "scene900:Terranova"
-msgstr ""
+msgstr "scene900:Nowa Ziemia"
diff --git a/levels/train1-po/pl.po b/levels/train1-po/pl.po
index 0e5942f5..ecedd1b6 100644
--- a/levels/train1-po/pl.po
+++ b/levels/train1-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: train1/train100.txt:1
 #, no-wrap
 msgid "train100:Spiders and supply"
-msgstr ""
+msgstr "train100:Pająki i zaopatrzenie"
 
 #. type: Title-resume
 #: train1/train100.txt:1
 #, no-wrap
 msgid "train100:Supply problems and fight against motionless targets"
-msgstr ""
+msgstr "train100:Problemy z zaopatrzeniem i walka z nieruchomymi celami"
diff --git a/levels/train2-po/pl.po b/levels/train2-po/pl.po
index a1792306..20f02630 100644
--- a/levels/train2-po/pl.po
+++ b/levels/train2-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: train2/train200.txt:1
 #, no-wrap
 msgid "train200:Ants and wasps"
-msgstr ""
+msgstr "train200:Mrówki i osy"
 
 #. type: Title-resume
 #: train2/train200.txt:1
 #, no-wrap
 msgid "train200:Fight against moving targets"
-msgstr ""
+msgstr "train200:Walka z ruchomymi celami"
diff --git a/levels/train3-po/pl.po b/levels/train3-po/pl.po
index d25022bf..fb5126dc 100644
--- a/levels/train3-po/pl.po
+++ b/levels/train3-po/pl.po
@@ -26,4 +26,4 @@ msgstr "P"
 #: train3/train300.txt:1 train3/train300.txt:1
 #, no-wrap
 msgid "train300:Fundamentals"
-msgstr ""
+msgstr "train300:Podstawy"
diff --git a/levels/train4-po/pl.po b/levels/train4-po/pl.po
index 8552164e..5b2fd71e 100644
--- a/levels/train4-po/pl.po
+++ b/levels/train4-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: train4/train400.txt:1
 #, no-wrap
 msgid "train400:Motors"
-msgstr ""
+msgstr "train400:Silniki"
 
 #. type: Title-resume
 #: train4/train400.txt:1
 #, no-wrap
 msgid "train400:Motor"
-msgstr ""
+msgstr "train400:Silnik"
diff --git a/levels/train5-po/pl.po b/levels/train5-po/pl.po
index 49c0cf0f..ac8d2089 100644
--- a/levels/train5-po/pl.po
+++ b/levels/train5-po/pl.po
@@ -26,10 +26,10 @@ msgstr "P"
 #: train5/train500.txt:1
 #, no-wrap
 msgid "train500:Mover"
-msgstr ""
+msgstr "train500:Poruszanie się"
 
 #. type: Title-resume
 #: train5/train500.txt:1
 #, no-wrap
 msgid "train500:Move"
-msgstr ""
+msgstr "train500:Poruszanie się"
diff --git a/levels/train6-po/pl.po b/levels/train6-po/pl.po
index be85a7bc..988b3a3c 100644
--- a/levels/train6-po/pl.po
+++ b/levels/train6-po/pl.po
@@ -26,4 +26,4 @@ msgstr "P"
 #: train6/train600.txt:1 train6/train600.txt:1
 #, no-wrap
 msgid "train600:Functions"
-msgstr ""
+msgstr "train600:Funkcje"
diff --git a/levels/train7-po/pl.po b/levels/train7-po/pl.po
index e71d8d4a..e941283c 100644
--- a/levels/train7-po/pl.po
+++ b/levels/train7-po/pl.po
@@ -26,4 +26,4 @@ msgstr "P"
 #: train7/train700.txt:1 train7/train700.txt:1
 #, no-wrap
 msgid "train700:Classes"
-msgstr ""
+msgstr "train700:Klasy"