diff --git a/tests/game_sim/CMakeLists.txt b/tests/game_sim/CMakeLists.txt
new file mode 100644
index 0000000..8183227
--- /dev/null
+++ b/tests/game_sim/CMakeLists.txt
@@ -0,0 +1,13 @@
+# game/sim tests: four hand-computed suites + a real-save smoke test (skips unless SOTS_SAVES_JSON).
+foreach(_t economy research colony movement)
+  add_executable(game_sim_test_${_t} test_${_t}.cpp)
+  target_link_libraries(game_sim_test_${_t} PRIVATE sots_game_sim)
+  target_include_directories(game_sim_test_${_t} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+  target_compile_options(game_sim_test_${_t} PRIVATE -Wall -Wextra -pedantic)
+  add_test(NAME game_sim_${_t} COMMAND game_sim_test_${_t})
+endforeach()
+
+add_executable(game_sim_smoke_real_save smoke_real_save.cpp)
+target_link_libraries(game_sim_smoke_real_save PRIVATE sots_game_sim)
+target_include_directories(game_sim_smoke_real_save PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+add_test(NAME game_sim_smoke_real_save COMMAND game_sim_smoke_real_save)
diff --git a/tests/mars_parse/CMakeLists.txt b/tests/mars_parse/CMakeLists.txt
new file mode 100644
index 0000000..aef47d9
--- /dev/null
+++ b/tests/mars_parse/CMakeLists.txt
@@ -0,0 +1,17 @@
+# mars_parse tests: unit suite always; real-data oracle check only when SOTS_DATA_DIR is set
+# at configure time (it needs the owner's extracted game data; never committed).
+add_executable(mars_parse_unit_tests
+    canon.cpp test_main.cpp test_value.cpp test_blocks.cpp test_effect.cpp)
+target_link_libraries(mars_parse_unit_tests PRIVATE mars_parse)
+target_include_directories(mars_parse_unit_tests PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+target_compile_options(mars_parse_unit_tests PRIVATE -Wall -Wextra -Wpedantic)
+add_test(NAME mars_parse_unit COMMAND mars_parse_unit_tests)
+
+add_executable(mars_parse_oracle_check canon.cpp oracle_check.cpp)
+target_link_libraries(mars_parse_oracle_check PRIVATE mars_parse)
+target_include_directories(mars_parse_oracle_check PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+if(DEFINED ENV{SOTS_DATA_DIR})
+  # Parses every brace-block/.effect file under the data root (no Python cross-check here;
+  # run tests/mars_parse/build_and_run.sh for the full oracle comparison).
+  add_test(NAME mars_parse_realdata COMMAND mars_parse_oracle_check "$ENV{SOTS_DATA_DIR}")
+endif()