diff --git a/lib/sportdb/play.rb b/lib/sportdb/play.rb
index df70182..e79a62c 100644
--- a/lib/sportdb/play.rb
+++ b/lib/sportdb/play.rb
@@ -17,7 +17,8 @@
 require 'sportdb/play/models/user'
 
 
-module SportDb::Play
+module SportDb
+  module Play
 
   def self.banner
     "sportdb-play/#{VERSION} on Ruby #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}) [#{RUBY_PLATFORM}]"
@@ -30,10 +31,11 @@ def self.root
   
   def self.create
     CreateDb.new.up
-    WorldDb::Models::Prop.create!( key: 'db.schema.sport.play.version', value: VERSION )
+    WorldDb::Model::Prop.create!( key: 'db.schema.sport.play.version', value: VERSION )
   end
 
-end  # module SportDb::Play
+  end # module Play
+end  # module SportDb
 
 
 ## say hello
diff --git a/lib/sportdb/play/models/bonus_point.rb b/lib/sportdb/play/models/bonus_point.rb
index 7b06773..5bcef38 100644
--- a/lib/sportdb/play/models/bonus_point.rb
+++ b/lib/sportdb/play/models/bonus_point.rb
@@ -1,16 +1,18 @@
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class BonusPoint < ActiveRecord::Base
-  
+
   belongs_to :user
   belongs_to :pool
-  belongs_to :round, :class_name => 'BonusRound', :foreign_key => 'round_id'
-  
+  belongs_to :round, class_name: 'BonusRound', foreign_key: 'round_id'
+
 end  # class BonusPoint
 
+  end # module Model
+end  # module SportDb
 
-end  # module SportDb::Models
diff --git a/lib/sportdb/play/models/bonus_question.rb b/lib/sportdb/play/models/bonus_question.rb
index 97abba5..85d4a99 100644
--- a/lib/sportdb/play/models/bonus_question.rb
+++ b/lib/sportdb/play/models/bonus_question.rb
@@ -1,16 +1,18 @@
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class BonusQuestion < ActiveRecord::Base
   
   self.table_name = 'bonus_questions'
 
-  has_many :tips, :class_name => 'BonusTip', :foreign_key => 'question_id'
+  has_many :tips, class_name: 'BonusTip', foreign_key: 'question_id'
 
 end # class BonusQuestion
 
+  end # module Model
+end  # module SportDb
 
-end  # module SportDb::Models
diff --git a/lib/sportdb/play/models/bonus_round.rb b/lib/sportdb/play/models/bonus_round.rb
index cf6ba31..9ad1e61 100644
--- a/lib/sportdb/play/models/bonus_round.rb
+++ b/lib/sportdb/play/models/bonus_round.rb
@@ -1,15 +1,17 @@
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 class BonusRound < ActiveRecord::Base
   
   self.table_name = 'bonus_rounds'
   
-  has_many :questions,  :order => 'pos', :class_name => 'BonusQuestion', :foreign_key => 'round_id'
+  has_many :questions,  order: 'pos', class_name: 'BonusQuestion', foreign_key: 'round_id'
   belongs_to :pool
 
 end # class BonusRound
 
-end  # module SportDb::Models
+  end # module Model
+end  # module SportDb
diff --git a/lib/sportdb/play/models/bonus_tip.rb b/lib/sportdb/play/models/bonus_tip.rb
index 300a22d..af19f70 100644
--- a/lib/sportdb/play/models/bonus_tip.rb
+++ b/lib/sportdb/play/models/bonus_tip.rb
@@ -1,7 +1,8 @@
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class BonusTip < ActiveRecord::Base
@@ -13,5 +14,6 @@ class BonusTip < ActiveRecord::Base
 end # class BonusTip
 
 
-end  # module SportDb::Models
+  end  # module Model
+end  # module SportDb
 
diff --git a/lib/sportdb/play/models/game.rb b/lib/sportdb/play/models/game.rb
index 6b82f79..81a2142 100644
--- a/lib/sportdb/play/models/game.rb
+++ b/lib/sportdb/play/models/game.rb
@@ -1,7 +1,8 @@
 
 
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 ### NB: extend Game model from sport.db gem
@@ -33,17 +34,9 @@ def job_running?
   ## keep style helpers here? why? why not?
 
 
-  def tip_1_style_class
-    toto1x2 == '1' ? ' bingo ' : ' '
-  end
-
-  def tip_2_style_class
-    toto1x2 == '2' ? ' bingo ' : ' '
-  end
-
-  def tip_x_style_class
-    toto1x2 == 'X' ? ' bingo ' : ' '
-  end
+  def tip_1_style_class()  toto1x2 == '1' ? ' bingo ' : ' ';  end
+  def tip_2_style_class()  toto1x2 == '2' ? ' bingo ' : ' ';  end
+  def tip_x_style_class()  toto1x2 == 'X' ? ' bingo ' : ' ';  end
 
 
   ############ some methods for stats
@@ -66,4 +59,5 @@ def tip_1x2_count()   tips.complete.count();  end   # alias for tip_12x_count //
 end # class Game
 
 
-end # module SportDb::Models
+  end # module Model
+end # module SportDb
diff --git a/lib/sportdb/play/models/play.rb b/lib/sportdb/play/models/play.rb
index 90c95ff..cf5b86a 100644
--- a/lib/sportdb/play/models/play.rb
+++ b/lib/sportdb/play/models/play.rb
@@ -1,25 +1,22 @@
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
+
+module SportDb
+  module Model
 
-module SportDb::Models
 
 class Play < ActiveRecord::Base
-  
+
   belongs_to :user
   belongs_to :pool
-  
-  belongs_to :team1, :class_name => 'Team', :foreign_key => 'team1_id'
-  belongs_to :team2, :class_name => 'Team', :foreign_key => 'team2_id'
-  belongs_to :team3, :class_name => 'Team', :foreign_key => 'team3_id'
-  
 
-  def job_running!
-    @job_running = true
-  end
-  
-  def job_done!
-    @job_running = false
-  end
+  belongs_to :team1, class_name: 'Team', foreign_key: 'team1_id'
+  belongs_to :team2, class_name: 'Team', foreign_key: 'team2_id'
+  belongs_to :team3, class_name: 'Team', foreign_key: 'team3_id'
+
+
+  def job_running!()   @job_running = true;   end
+  def job_done!()      @job_running = false;  end
 
   def job_running?
     (@job_running ||= false) == true
@@ -58,4 +55,5 @@ def export?
 end   # class Play
 
 
-end  # module SportDb::Models
+  end # module Model
+end  # module SportDb
diff --git a/lib/sportdb/play/models/point.rb b/lib/sportdb/play/models/point.rb
index 4cf92e3..a8a8cc7 100644
--- a/lib/sportdb/play/models/point.rb
+++ b/lib/sportdb/play/models/point.rb
@@ -1,8 +1,9 @@
 # encoding: utf-8
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class Point < ActiveRecord::Base
@@ -51,5 +52,6 @@ def diff_total_pos_str
 
 end  # class Point
 
+  end # module Model
+end  # module SportDb
 
-end  # module SportDb::Models
diff --git a/lib/sportdb/play/models/pool.rb b/lib/sportdb/play/models/pool.rb
index 1ec817b..a4525a9 100644
--- a/lib/sportdb/play/models/pool.rb
+++ b/lib/sportdb/play/models/pool.rb
@@ -1,8 +1,9 @@
 # encoding: utf-8
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class Pool < ActiveRecord::Base
@@ -32,5 +33,6 @@ def team3?    # tip for 3rd place?
 end   # class Pool
 
 
-end  # module SportDb::Models
+  end # module Model
+end  # module SportDb
 
diff --git a/lib/sportdb/play/models/tip.rb b/lib/sportdb/play/models/tip.rb
index a86c67e..32b2006 100644
--- a/lib/sportdb/play/models/tip.rb
+++ b/lib/sportdb/play/models/tip.rb
@@ -1,9 +1,10 @@
 # encoding: utf-8
 
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class Tip < ActiveRecord::Base
@@ -95,53 +96,19 @@ def toto1x2
 
   ### getter/setters for deprecated attribs (score3,4,5,6)
 
-  def score3
-    score1et
-  end
-
-  def score4
-    score2et
-  end
+  def score3()    score1et;  end
+  def score4()    score2et;  end
+  def score1ot()  score1et;  end
+  def score2ot()  score2et;  end
+  def score5()    score1p;   end
+  def score6()    score2p;   end
   
-  def score1ot
-    score1et
-  end
-
-  def score2ot
-    score2et
-  end
-
-  def score5
-    score1p
-  end
-
-  def score6
-    score2p
-  end
-
-  def score3=(value)
-    self.score1et = value
-  end
-
-  def score4=(value)
-    self.score2et = value
-  end
-
-  def score1ot=(value)
-    self.score1et = value
-  end
-
-  def score2ot=(value)
-    self.score2et = value
-  end
-
-  def score5=(value)
-    self.score1p = value
-  end
-
-  def score6=(value)
-    self.score2p = value
-  end
+  def score3=(value)    self.score1et = value; end
+  def score4=(value)    self.score2et = value; end
+  def score1ot=(value)  self.score1et = value; end
+  def score2ot=(value)  self.score2et = value; end
+  def score5=(value)    self.score1p = value;  end
+  def score6=(value)    self.score2p = value;  end
 
 
 
@@ -375,4 +342,6 @@ def score2_str()  score2.blank?  ? '?' : score2.to_s;  end
 
 end # class Tip
 
-end  # module SportDb::Models
+  end # module Model
+end  # module SportDb
+
diff --git a/lib/sportdb/play/models/user.rb b/lib/sportdb/play/models/user.rb
index 292ef9c..e48a882 100644
--- a/lib/sportdb/play/models/user.rb
+++ b/lib/sportdb/play/models/user.rb
@@ -1,9 +1,10 @@
 # encoding: utf-8
 
 
-## NB: just use namespace SportDb::Models (not SportDb::Models::Play)
+## NB: just use namespace SportDb::Model (not SportDb::Model::Play)
 
-module SportDb::Models
+module SportDb
+  module Model
 
 
 class User < ActiveRecord::Base
@@ -15,4 +16,5 @@ class User < ActiveRecord::Base
 
 end  # class User
 
-end  # module SportDb::Models
+  end # module Model
+end  # module SportDb
diff --git a/lib/sportdb/play/schema.rb b/lib/sportdb/play/schema.rb
index a668d6c..424b527 100644
--- a/lib/sportdb/play/schema.rb
+++ b/lib/sportdb/play/schema.rb
@@ -1,4 +1,5 @@
-module SportDb::Play
+module SportDb
+  module Play
 
 class CreateDb < ActiveRecord::Migration
 
@@ -8,7 +9,7 @@ def up
 ##  lets add a check? why? why not?
     
 change_table :games do |t|
-  t.boolean    :locked, :null => false, :default => false
+  t.boolean    :locked,  null: false, default: false
 end
 
 
@@ -146,5 +147,6 @@ def down
 
 end # class CreateDb
 
+  end # module Play
+end # module SportDb
 
-end # module SportDb::Play
diff --git a/lib/sportdb/play/version.rb b/lib/sportdb/play/version.rb
index ee42544..9a9bf8f 100644
--- a/lib/sportdb/play/version.rb
+++ b/lib/sportdb/play/version.rb
@@ -1,7 +1,7 @@
 
-module SportDb ; end    # forward reference (for hoe require)
 
-module SportDb::Play
-  VERSION = '0.2.2'
+module SportDb
+  module Play
+    VERSION = '0.2.3'
+  end
 end
-