diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5b6a23398e..b00e51facda 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,9 @@ find_package(ignition-cmake3 REQUIRED)
 #============================================================================
 # Configure the project
 #============================================================================
-ign_configure_project(VERSION_SUFFIX pre1)
+ign_configure_project(
+  REPLACE_IGNITION_INCLUDE_PATH gz/sim
+  VERSION_SUFFIX pre1)
 set (CMAKE_CXX_STANDARD 17)
 
 #============================================================================
@@ -252,3 +254,13 @@ endif()
 if(TARGET doc)
   file(COPY ${CMAKE_SOURCE_DIR}/tutorials/files/ DESTINATION ${CMAKE_BINARY_DIR}/doxygen/html/files/)
 endif()
+
+# TICKTOCK MASTER HEADER (to bypass IGN_DESIGNATION)
+# TODO(CH3): Remove on tock
+configure_file(
+  ${CMAKE_CURRENT_BINARY_DIR}/include/gz/${IGN_DESIGNATION}.hh
+  ${CMAKE_CURRENT_BINARY_DIR}/include/sim.hh
+  COPYONLY)
+install(
+  FILES ${CMAKE_CURRENT_BINARY_DIR}/include/sim.hh
+  DESTINATION ${IGN_INCLUDE_INSTALL_DIR_FULL}/gz)
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 25ec89762d3..4b2bdd7bb18 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -1 +1,2 @@
-add_subdirectory(ignition)
+add_subdirectory(gz)
+install(DIRECTORY ignition DESTINATION ${IGN_INCLUDE_INSTALL_DIR_FULL})
diff --git a/include/gz/CMakeLists.txt b/include/gz/CMakeLists.txt
index 024bcc273fe..e4f01467e84 100644
--- a/include/gz/CMakeLists.txt
+++ b/include/gz/CMakeLists.txt
@@ -1 +1 @@
-add_subdirectory(gazebo)
+add_subdirectory(sim)
diff --git a/include/gz/sim/components/CMakeLists.txt b/include/gz/sim/components/CMakeLists.txt
index d03429131a4..100786be0e2 100644
--- a/include/gz/sim/components/CMakeLists.txt
+++ b/include/gz/sim/components/CMakeLists.txt
@@ -3,7 +3,7 @@ file(GLOB component_headers *.hh)
 set (component_includes "")
 foreach (header_full ${component_headers})
   get_filename_component(header ${header_full} NAME)
-  set(component_includes "${component_includes}#include <ignition/gazebo/components/${header}>\n")
+  set(component_includes "${component_includes}#include <gz/sim/components/${header}>\n")
 endforeach()
 
 configure_file(
@@ -13,5 +13,5 @@ configure_file(
 
 install(
   FILES ${CMAKE_CURRENT_BINARY_DIR}/components.hh
-  DESTINATION ${IGN_INCLUDE_INSTALL_DIR_FULL}/ignition/${IGN_DESIGNATION}
+  DESTINATION ${IGN_INCLUDE_INSTALL_DIR_FULL}/gz/sim
 )
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 8c7a98d92af..c75e11d2d25 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -37,15 +37,15 @@ function(configure_build_install_location _library_name)
 endfunction()
 
 pybind11_add_module(gazebo SHARED
-  src/ignition/gazebo/_ignition_gazebo_pybind11.cc
-  src/ignition/gazebo/EntityComponentManager.cc
-  src/ignition/gazebo/EventManager.cc
-  src/ignition/gazebo/TestFixture.cc
-  src/ignition/gazebo/Server.cc
-  src/ignition/gazebo/ServerConfig.cc
-  src/ignition/gazebo/UpdateInfo.cc
-  src/ignition/gazebo/Util.cc
-  src/ignition/gazebo/World.cc
+  src/gz/sim/_gz_sim_pybind11.cc
+  src/gz/sim/EntityComponentManager.cc
+  src/gz/sim/EventManager.cc
+  src/gz/sim/TestFixture.cc
+  src/gz/sim/Server.cc
+  src/gz/sim/ServerConfig.cc
+  src/gz/sim/UpdateInfo.cc
+  src/gz/sim/Util.cc
+  src/gz/sim/World.cc
 )
 
 target_link_libraries(gazebo PRIVATE
@@ -55,8 +55,8 @@ target_link_libraries(gazebo PRIVATE
 
 # TODO(ahcorde): Move this module to ign-common
 pybind11_add_module(common SHARED
-  src/ignition/common/_ignition_common_pybind11.cc
-  src/ignition/common/Console.cc
+  src/gz/common/_gz_common_pybind11.cc
+  src/gz/common/Console.cc
 )
 
 target_link_libraries(common PRIVATE
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 09769418eff..a2a39c966e9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -37,12 +37,12 @@ set(gui_sources
   PARENT_SCOPE
 )
 
-ign_add_component(ign
+ign_add_component(gz
   SOURCES
     ign.cc
     cmd/ModelCommandAPI.cc
-  GET_TARGET_NAME ign_lib_target)
-target_link_libraries(${ign_lib_target}
+  GET_TARGET_NAME gz_lib_target)
+target_link_libraries(${gz_lib_target}
   PRIVATE
     ${PROJECT_LIBRARY_TARGET_NAME}
     ignition-common${IGN_COMMON_VER}::ignition-common${IGN_COMMON_VER}
@@ -163,7 +163,7 @@ target_include_directories(${PROJECT_LIBRARY_TARGET_NAME}
 )
 
 add_dependencies(${PROJECT_LIBRARY_TARGET_NAME}
-  ignition-gazebo_private_msgs
+  gz-sim_private_msgs
 )
 
 set(IGNITION_GAZEBO_PLUGIN_INSTALL_DIR
@@ -199,7 +199,7 @@ foreach(CMD_TEST
   endif()
 
   add_dependencies(${CMD_TEST}
-    ${ign_lib_target}
+    ${gz_lib_target}
     TestModelSystem
     TestSensorSystem
     TestWorldSystem
@@ -223,4 +223,3 @@ endforeach()
 if(NOT WIN32)
   add_subdirectory(cmd)
 endif()
-
diff --git a/src/cmd/CMakeLists.txt b/src/cmd/CMakeLists.txt
index a1ff8091c46..a93109596cf 100644
--- a/src/cmd/CMakeLists.txt
+++ b/src/cmd/CMakeLists.txt
@@ -7,7 +7,7 @@ set(cmd_script_configured "${cmd_script_generated}.configured")
 
 # Set the library_location variable to the relative path to the library file
 # within the install directory structure.
-set(library_location "../../../${CMAKE_INSTALL_LIBDIR}/$<TARGET_FILE_NAME:${ign_lib_target}>")
+set(library_location "../../../${CMAKE_INSTALL_LIBDIR}/$<TARGET_FILE_NAME:${gz_lib_target}>")
 
 configure_file(
   "cmd${IGN_DESIGNATION}.rb.in"
@@ -73,7 +73,7 @@ set(cmd_script_configured_test "${cmd_script_generated_test}.configured")
 
 # Set the library_location variable to the relative path to the library file
 # within the install directory structure.
-set(library_location "$<TARGET_FILE:${ign_lib_target}>")
+set(library_location "$<TARGET_FILE:${gz_lib_target}>")
 
 configure_file(
   "cmd${IGN_DESIGNATION}.rb.in"
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index 0577088d964..df7f7364f1d 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -23,10 +23,10 @@ set(CMAKE_AUTORCC ON)
 
 # CMake AUTOMOC does not generate moc_*.cpp files automatically for headers
 # located in different directories than the containing .cc file. For Qt header
-# files in `include/ignition/gazebo/gui`, we use qt5_wrap_cpp instead. There is
+# files in `include/gz/sim/gui`, we use qt5_wrap_cpp instead. There is
 # no need to add entries for Qt header files in `src/gui/`.
 qt5_wrap_cpp(gui_sources
-  ${PROJECT_SOURCE_DIR}/include/ignition/gazebo/gui/GuiSystem.hh
+  ${PROJECT_SOURCE_DIR}/include/gz/sim/gui/GuiSystem.hh
 )
 
 if (MSVC)
diff --git a/src/gui/plugins/modules/CMakeLists.txt b/src/gui/plugins/modules/CMakeLists.txt
index 60ab08a11c2..28522b260dc 100644
--- a/src/gui/plugins/modules/CMakeLists.txt
+++ b/src/gui/plugins/modules/CMakeLists.txt
@@ -1,7 +1,7 @@
-# Create an IgnGazebo module
-set(module_name IgnGazebo)
+# Create an GzGazebo module
+set(module_name GzGazebo)
 
-# Add EntityContextMenu QML plugin to IgnGazebo module
+# Add EntityContextMenu QML plugin to GzGazebo module
 gz_add_gui_library(EntityContextMenu
   SOURCES EntityContextMenu.cc
   QT_HEADERS EntityContextMenu.hh
diff --git a/src/msgs/CMakeLists.txt b/src/msgs/CMakeLists.txt
index cd28609f271..7941ad8f482 100644
--- a/src/msgs/CMakeLists.txt
+++ b/src/msgs/CMakeLists.txt
@@ -8,7 +8,7 @@ PROTOBUF_GENERATE_CPP(PROTO_PRIVATE_SRC PROTO_PRIVATE_HEADERS
 set(PROTO_PRIVATE_SRC ${PROTO_PRIVATE_SRC} PARENT_SCOPE)
 set(PROTO_PRIVATE_HEADERS ${PROTO_PRIVATE_HEADERS} PARENT_SCOPE)
 
-add_custom_target(ignition-gazebo_private_msgs
+add_custom_target(gz-sim_private_msgs
   DEPENDS ${PROTO_PRIVATE_SRC}
 )
 
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index a341f8e5948..9c4f4e0db95 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -5,7 +5,7 @@ include_directories (
   ${PROJECT_BINARY_DIR}/include/
 )
 
-configure_file (test_config.hh.in ${PROJECT_BINARY_DIR}/include/ignition/gazebo/test_config.hh)
+configure_file (test_config.hh.in ${PROJECT_BINARY_DIR}/include/gz/sim/test_config.hh)
 
 # Build gtest
 add_library(gtest STATIC gtest/src/gtest-all.cc)
diff --git a/test/benchmark/CMakeLists.txt b/test/benchmark/CMakeLists.txt
index 937e20acd27..281f02fe442 100644
--- a/test/benchmark/CMakeLists.txt
+++ b/test/benchmark/CMakeLists.txt
@@ -1,8 +1,8 @@
 set(TEST_TYPE "BENCHMARK")
 
-include(IgnBenchmark OPTIONAL RESULT_VARIABLE IgnBenchmark_FOUND)
+include(GzBenchmark OPTIONAL RESULT_VARIABLE GzBenchmark_FOUND)
 
-if (IgnBenchmark_FOUND)
+if (GzBenchmark_FOUND)
   set(tests
     each.cc
     ecm_serialize.cc
diff --git a/test/plugins/CMakeLists.txt b/test/plugins/CMakeLists.txt
index 554589094a7..86266ca3fe4 100644
--- a/test/plugins/CMakeLists.txt
+++ b/test/plugins/CMakeLists.txt
@@ -20,7 +20,7 @@ set (test_plugins
 )
 
 # TODO: someone with knowledge of ign-plugin please resolve:
-# TestSystem.obj : error LNK2001: unresolved external symbol IgnitionPluginHook
+# TestSystem.obj : error LNK2001: unresolved external symbol GzPluginHook
 if(NOT WIN32)
   set (test_plugins
     ${test_plugins}
diff --git a/tools/clang_tidy.sh b/tools/clang_tidy.sh
index f2181710411..a93c0ba3bbd 100755
--- a/tools/clang_tidy.sh
+++ b/tools/clang_tidy.sh
@@ -11,7 +11,7 @@ cmake .. \
   -DCMAKE_EXPORT_COMPILE_COMMANDS=1
 
 # Build enough to get generated msg headers
-make ignition-gazebo_private_msgs
+make gz-sim_private_msgs
 
 cd ..