diff --git a/CHANGES.md b/CHANGES.md
old mode 100755
new mode 100644
diff --git a/README.md b/README.md
old mode 100755
new mode 100644
diff --git a/backup/moodle2/backup_game_activity_task.class.php b/backup/moodle2/backup_game_activity_task.class.php
old mode 100755
new mode 100644
diff --git a/backup/moodle2/backup_game_settingslib.php b/backup/moodle2/backup_game_settingslib.php
old mode 100755
new mode 100644
diff --git a/backup/moodle2/backup_game_stepslib.php b/backup/moodle2/backup_game_stepslib.php
old mode 100755
new mode 100644
diff --git a/backup/moodle2/restore_game_activity_task.class.php b/backup/moodle2/restore_game_activity_task.class.php
old mode 100755
new mode 100644
diff --git a/backup/moodle2/restore_game_stepslib.php b/backup/moodle2/restore_game_stepslib.php
old mode 100755
new mode 100644
diff --git a/bookquiz/play.php b/bookquiz/play.php
old mode 100755
new mode 100644
diff --git a/bookquiz/questions.php b/bookquiz/questions.php
old mode 100755
new mode 100644
diff --git a/bookquiz/toc.php b/bookquiz/toc.php
old mode 100755
new mode 100644
diff --git a/bookquiz/view.php b/bookquiz/view.php
old mode 100755
new mode 100644
diff --git a/cross/cross_class.php b/cross/cross_class.php
old mode 100755
new mode 100644
diff --git a/cross/crossdb_class.php b/cross/crossdb_class.php
old mode 100755
new mode 100644
diff --git a/cross/play.php b/cross/play.php
old mode 100755
new mode 100644
diff --git a/cryptex/cryptexdb_class.php b/cryptex/cryptexdb_class.php
old mode 100755
new mode 100644
diff --git a/cryptex/play.php b/cryptex/play.php
old mode 100755
new mode 100644
diff --git a/db/access.php b/db/access.php
old mode 100755
new mode 100644
diff --git a/db/createsnakes.php b/db/createsnakes.php
old mode 100755
new mode 100644
diff --git a/db/importsnakes.php b/db/importsnakes.php
old mode 100755
new mode 100644
diff --git a/db/importsudoku.php b/db/importsudoku.php
old mode 100755
new mode 100644
diff --git a/db/upgrade.php b/db/upgrade.php
old mode 100755
new mode 100644
diff --git a/hangman/play.php b/hangman/play.php
old mode 100755
new mode 100644
diff --git a/hiddenpicture/picture.php b/hiddenpicture/picture.php
old mode 100755
new mode 100644
diff --git a/hiddenpicture/play.php b/hiddenpicture/play.php
old mode 100755
new mode 100644
diff --git a/lang/en/game.php b/lang/en/game.php
old mode 100755
new mode 100644
diff --git a/millionaire/play.php b/millionaire/play.php
old mode 100755
new mode 100644
diff --git a/report/default.php b/report/default.php
old mode 100755
new mode 100644
diff --git a/report/overview/report.php b/report/overview/report.php
old mode 100755
new mode 100644
diff --git a/sudoku/class.Sudoku.php b/sudoku/class.Sudoku.php
old mode 100755
new mode 100644
diff --git a/sudoku/create.php b/sudoku/create.php
old mode 100755
new mode 100644
diff --git a/sudoku/export.php b/sudoku/export.php
old mode 100755
new mode 100644
diff --git a/sudoku/play.php b/sudoku/play.php
old mode 100755
new mode 100644
diff --git a/sudoku/sdd/class.SDD.php b/sudoku/sdd/class.SDD.php
old mode 100755
new mode 100644
diff --git a/sudoku/sdd/class.logfile.php b/sudoku/sdd/class.logfile.php
old mode 100755
new mode 100644