diff --git a/ruleset-gamee.xml b/ruleset-gamee.xml
new file mode 100644
index 0000000..5b608c8
--- /dev/null
+++ b/ruleset-gamee.xml
@@ -0,0 +1,99 @@
+<?xml version="1.0"?>
+<ruleset name="Gamee">
+	<description>Gamee coding standard.</description>
+	<rule ref="Generic.WhiteSpace.DisallowSpaceIndent"/>
+	<rule ref="Generic.PHP.LowerCaseConstant"/>
+	<rule ref="Generic.Arrays.DisallowLongArraySyntax"/>
+	<rule ref="Generic.CodeAnalysis.JumbledIncrementer"/>
+	<rule ref="Generic.CodeAnalysis.UnconditionalIfStatement"/>
+	<rule ref="Generic.CodeAnalysis.UnnecessaryFinalModifier"/>
+	<rule ref="Generic.Files.ByteOrderMark"/>
+	<rule ref="Generic.Files.EndFileNewline"/>
+	<rule ref="Generic.Files.LineEndings"/>
+	<rule ref="Generic.Files.LineLength">
+		<properties>
+			<property name="lineLimit" value="160"/>
+			<property name="absoluteLineLimit" value="160"/>
+		</properties>
+	</rule>
+	<rule ref="Generic.Formatting.DisallowMultipleStatements"/>
+	<rule ref="Generic.Formatting.SpaceAfterCast"/>
+	<rule ref="Generic.PHP.CharacterBeforePHPOpeningTag"/>
+	<rule ref="PSR2.ControlStructures.ElseIfDeclaration"/>
+	<rule ref="PSR2.Files.ClosingTag"/>
+	<rule ref="PSR2.Methods.MethodDeclaration"/>
+	<rule ref="PSR2.Namespaces.NamespaceDeclaration"/>
+	<rule ref="./vendor/slevomat/coding-standard/SlevomatCodingStandard/ruleset.xml">
+		<exclude name="SlevomatCodingStandard.ControlStructures.EarlyExit.EarlyExitNotUsed"/>
+		<exclude name="SlevomatCodingStandard.ControlStructures.RequireYodaComparison.RequiredYodaComparison"/>
+		<exclude name="SlevomatCodingStandard.ControlStructures.NewWithParentheses.MissingParentheses"/>
+		<exclude name="SlevomatCodingStandard.Files.TypeNameMatchesFileName"/>
+		<exclude name="SlevomatCodingStandard.Exceptions.ReferenceThrowableOnly"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameAfterKeyword"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedGlobalFunctions.NonFullyQualified"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameInAnnotation"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedExceptions"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.UnusedUses.MismatchingCaseSensitivity"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.UseOnlyWhitelistedNamespaces"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedGlobalConstants.NonFullyQualified"/>
+		<exclude name="SlevomatCodingStandard.Namespaces.ReferenceUsedNamesOnly.ReferenceViaFullyQualifiedNameWithoutNamespace"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingParameterTypeHint"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingParameterTypeHint.WhitespaceBeforeColon"/>
+		<exclude name="SlevomatCodingStandard.Commenting.RequireOneLinePropertyDocComment.MultiLinePropertyComment"/>
+		<exclude name="SlevomatCodingStandard.Commenting.DocCommentSpacing.IncorrectLinesCountBetweenDifferentAnnotationsTypes" />
+		<exclude name="SlevomatCodingStandard.Commenting.DocCommentSpacing.IncorrectLinesCountBetweenDescriptionAndAnnotations" />
+		<exclude name="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming.SuperfluousPrefix"/>
+		<exclude name="SlevomatCodingStandard.Classes.SuperfluousExceptionNaming.SuperfluousSuffix"/>
+		<exclude name="SlevomatCodingStandard.Commenting.DocCommentSpacing.IncorrectLinesCountBetweenDescriptionAndAnnotations"/>
+		<exclude name="SlevomatCodingStandard.Operators.DisallowIncrementAndDecrementOperators.DisallowedPostIncrementOperator"/>
+		<exclude name="SlevomatCodingStandard.ControlStructures.DisallowShortTernaryOperator.DisallowedShortTernaryOperator"/>
+		<exclude name="SlevomatCodingStandard.Operators.DisallowIncrementAndDecrementOperators.DisallowedPreIncrementOperator"/>
+		<exclude name="SlevomatCodingStandard.Operators.DisallowIncrementAndDecrementOperators.DisallowedPostDecrementOperator"/>
+		<exclude name="SlevomatCodingStandard.Operators.DisallowIncrementAndDecrementOperators.DisallowedPreDecrementOperator"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.UselessConstantTypeHint.UselessDocComment"/>
+		<exclude name="SlevomatCodingStandard.ControlStructures.NewWithoutParentheses.UselessParentheses"/>
+		<exclude name="SlevomatCodingStandard.Functions.StaticClosure.ClosureNotStatic"/>
+		<exclude name="SlevomatCodingStandard.Functions.UnusedParameter.UnusedParameter"/>
+		<exclude name="SlevomatCodingStandard.Functions.TrailingCommaInCall.MissingTrailingComma"/>
+		<exclude name="SlevomatCodingStandard.ControlStructures.RequireTernaryOperator.TernaryOperatorNotUsed"/>
+		<exclude name="SlevomatCodingStandard.ControlStructures.ControlStructureSpacing.IncorrectLinesCountBeforeControlStructure"/>
+		<exclude name="SlevomatCodingStandard.Classes.EmptyLinesAroundClassBraces.NoEmptyLineBeforeClosingBrace"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.DisallowMixedTypeHint.DisallowedMixedTypeHint"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.DisallowArrayTypeHintSyntax"/>
+		<rule ref="SlevomatCodingStandard.Classes.EmptyLinesAroundClassBraces.IncorrectEmptyLinesBeforeClosingBrace"/>
+	</rule>
+	<rule ref="SlevomatCodingStandard.Classes.UnusedPrivateElements">
+		<properties>
+			<property name="alwaysUsedPropertiesAnnotations" type="array"
+					  value="@ORM\Column,@ORM\ManyToOne,@ORM\OneToMany,@ORM\ManyToMany,@ORM\JoinColumn"/>
+		</properties>
+	</rule>
+	<rule ref="SlevomatCodingStandard.Namespaces.UnusedUses">
+		<properties>
+			<property name="searchAnnotations" value="true"/>
+		</properties>
+	</rule>
+	<rule ref="SlevomatCodingStandard.TypeHints.ReturnTypeHintSpacing">
+		<properties>
+			<property name="spacesCountBeforeColon" value="0"/>
+		</properties>
+	</rule>
+	<rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
+		<properties>
+			<property name="newlinesCountBetweenOpenTagAndDeclare" value="2"/>
+			<property name="spacesCountAroundEqualsSign" value="0"/>
+		</properties>
+	</rule>
+	<rule ref="SlevomatCodingStandard.TypeHints.TypeHintDeclaration">
+		<properties>
+			<property name="usefulAnnotations" type="array" value="@dataProvider,@todo,@throws"/>
+		</properties>
+	</rule>
+	<rule ref="SlevomatCodingStandard.Namespaces.ReferenceUsedNamesOnly">
+		<properties>
+			<property name="allowFullyQualifiedGlobalClasses" value="true"/>
+			<property name="allowFullyQualifiedGlobalFunctions" value="true"/>
+			<property name="allowFullyQualifiedGlobalConstants" value="true"/>
+		</properties>
+	</rule>
+</ruleset>